Takuya Sakamoto, Ph.D.

  • Associate Professor at University of Hyogo, Japan
    Department of Electronics and Computer Science
    Graduate School of Engineering
    University of Hyogo
    2167 Shosha, Himeji, Hyogo 671-2280, Japan
  • Part-time Researcher at Kyoto University, Japan
    Graduate School of Informatics,
    Kyoto University
    Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
  • IEEE Senior Member
  • ORCID iD iconorcid.org/0000-0003-0177-879X
    e-mail:
    TEL: +81-79-267-4987 (Japan)
    Publications
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    CV
  • Research topics (All publications)
    • Noncontact sensing of human bodies
    • Radar imaging and signal processing
    • Wireless sensing of vital signs
    • Biomedical engineering
    • Medical ultrasound sensing and imaging
  • Academic background
    April 2002 - January 2005Ph.D. in Informatics
    (Kyoto University)
    Deapartment of Communications and Computer Engineering, Graduate School of Informatics, Kyoto UniversityKyoto, Japan
    April 2000 - March 2002Master of Informatics in Communications and Computer Engineering
    (Kyoto University)
    Deapartment of Communications and Computer Engineering, Graduate School of Informatics, Kyoto UniversityKyoto, Japan
    April 1996 - March 2000Bachelor of Engineering in Electrical and Electronic Engineering
    (Kyoto University)
    Undergraduate School of Electrical and Electronic Engineering, Faculty of Engineering, Kyoto UniversityKyoto, Japan
  • Academic degree
    January 24, 2005 Doctoral degree in Informatics (Kyoto University) (no. 136)
    "Nonparametric imaging algorithms for UWB pulse radars"
  • Work experience
    April 2017 - September 2017Visiting ScholarUniversity of Hawaii at Manoa Honolulu, HI, USA
    April 2015 - PresentAssociate ProfessorGraduate School of Engineering, University of Hyogo Himeji, Japan
    April 2015 - PresentPart-Time ResearcherGraduate School of Informatics, Kyoto University Kyoto, Japan
    January 2018 - PresentTechnology Development AdvisorHyogo Prefectural Institute of Technology Kobe, Japan
    August 2016 - September 2016Guest ResearcherDelft University of Technology Delft, The Netherlands
    March 2016Guest ResearcherDelft University of Technology Delft, The Netherlands
    September 2015Guest ResearcherDelft University of Technology Delft, The Netherlands
    September 2011 - November 2013Visiting Researcher
    JSPS Postdoctoral Fellow for Research Abroad
    Delft University of Technology Delft, The Netherlands
    September 2009Visiting ResearcherUniversity of Nice Sophia-AntipolisNice, France
    April 2007 - March 2015Assistant ProfessorGraduate School of Informatics, Kyoto UniversityKyoto, Japan
    April 2006 - March 2007Research AssociateGraduate School of Informatics, Kyoto UniversityKyoto, Japan
    April 2005 - March 2006JSPS Post-doctoral FellowGraduate School of Informatics, Kyoto UniversityKyoto, Japan
    Feb. 1, 2005 - Mar. 31, 2005Lecturer (Post-doctoral Fellow)Graduate School of Engineering, Kyoto UniversityKyoto, Japan
  • Social activities
    DateCommitteePosition
    Nov. 2006 - Mar. 2008 IEEJ Technical Committee on Electromagnetic Theory Assistant Secretary
    Oct. 2007 - Present IEICE Transactions on Communications Review Committee Member
    July 2008 Session IF516 "Inverse Scattering and Imaging I", IEEE AP-S International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, San Diego, CA, USA Session Chair
    Aug. 2009 Session 2P1 "Remote Sensing, RADAR Imaging and Detection" Progress in Electromagnetics Research Symposium 2009, Moscow, Russia Session Chair
    Apr. 2010 Session M04 "Measurement Imaging, Algorithms and Processing" with G. Roqueta at 4th European Conference on Antennas and Propagation 2010, Barcelona, Spain Session Chair
    Dec. 2010 Asia-Pacific Microwave Conference 2010, Yokohama, Japan Review Committee
    Nov. 2010 Session "Antenna Array," International Symposium on Antennas and Propagation 2010, Macao, China Session Chair
    Dec. 2010 Session "Sensing and Measurements," Asia-Pacific Microwave Conference 2010, Yokohama, Japan Session Chair
    Apr. 2013 Measurement Imaging, Algorithms and Processing Techniques, EuCAP 2013, Gothenburg, Sweden Session Chair
    Feb. 2014 Department of Communications and Computer Engineering, The University of Twente Joint Research Meeting, Kyoto, Japan Organizer and Chair
    Jan. 2015 - Dec. 2016 IEEE Antennas and Propagation Society Kansai Joint Chapter Treasurer
    Apr. 2015 - July 2016 IEICE Trans. Electronics Special Issue "Special Section on Recent Advances in Simulation Techniques and Their Applications for Electronics" Guest Associate Editor
    2016 Session "Sparse arrays for short-range imaging", 2016 European Conference on Antennas and Propagation, Davos, Switzerland Session Convener
    2016 2016 European Conference on Antennas and Propagation, Davos, Switzerland Reviewer
    June 2016 - May 2018 IEICE Kansai Section Committee Member
    July-Aug. 2016 World Automation Congress 2016, Puerto Rico Technical Program Committee Member
    June 2016 - Present IEICE Electronics Express Associate Editor
    June 2016 - May 2018 IEICE Technical Committee on Electromagnetic Theory Secretary
    Jan. 2017 - Present IEEE Antennas and Propagation Society Kansai Joint Chapter Secretary
    Mar. 2017 - Jan. 2018 IEICE Trans. Electronics Special Section on Recent Progress in Electromagnetic Theory and Its Application (published in January, 2018) Editorial Secretary
    Jan. 2018 - PresentIEICE Transactions on Electronics,
    Special Section on Microwave and Millimeter Wave Technologies (to be published in October, 2018)
    Guest Associate Editor
    Mar. 2018 - Present IEICE Trans. Electronics Special Section on Recent Progress in Electromagnetic Theory and Its Application (to be published in January, 2019) Editorial Secretary
    Apr. 2018 - May 2018 IEICE Electronics Express Best Paper Award Committee Member
    Apr. 2018 - Present IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2019 Organizing Committee Publication Chair
    June 2018 - Present IEICE Technical Committee on Electromagnetic Theory Committee Member
    June 2018 - Present IEEJ Technical Committee on Electromagnetic Theory Secretary
    June 2018 - Present IEICE Transactions on Communications Associate Editor
  • Invited talks
    Invited SpeakerThe XXXI General Assembly of the International Union of Radio ScienceBeijing, China August 21, 2014.
    Invited SpeakerSeminar on Microwave Imaging at Limoges (SMILE2015)Limoges, FranceJune 23, 2015.
    Invited SpeakerProgress in Electromagnetics Research Symposium (PIERS)Prague, Czech RepublicJuly 8, 2015
    Invited Speaker2015 IEEE International Conference on Antenna Measurements and ApplicationsChiang Mai, Thailand December 1, 2015
    Semi-plenary SpeakerEuropean Conference on Antennas and Propagation (EuCAP2017)
    [Photo 1] [Photo 2] [Video]
    Paris, FranceMarch 21, 2017
    Invited Sapeaker2017 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science MeetingSan Diego, CA, USAJuly 12, 2017
    Invited SpeakerXXXIInd International Union of Radio Science (URSI) General Assembly & Scientific Symposium Montreal, CanadaAugust 25, 2017
    Invited Speaker2018 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science MeetingBoston, Massachusetts, USAJuly 8-13, 2018
    Invited Speakerthe 40th Progress In Electromagnetics Research Symposium (PIERS)Toyama, JapanAugust 1-4, 2018
  • Teaching experience
    2015 - PresentAdvanced Discrete Mathematics
    (graph theory)
    Graduate School of Engineering, University of HyogoHimeji, Japan
    2015 - PresentDiscrete Mathematics
    (Boolean algebra and mathematical logic )
    Faculty of Engineering, University of HyogoHimeji, Japan
    2018 - PresentLaboratory Experiment in Electrical EngineeringFaculty of Engineering, University of HyogoHimeji, Japan
    2015 - PresentComputer Programing PracticeFaculty of Engineering, University of HyogoHimeji, Japan
    2014 - 2015Physics Laboratory Experiment
    (Franck-Hertz experiment, Planck constant, semiconductor and superconductivity)
    Faculty of Science, Kyoto UniversityKyoto, Japan
    2007 - 2011Laboratory Experiment in Electronic and Electronic Engineering
    (microwave, matching, waveguide, Smith chart, permittivity measurement)
    Faculty of Engineering, Kyoto UniversityKyoto, Japan
  • Major publications (All publications)
    1. Takuya Sakamoto and Toru Sato,
      "A Target shape estimation algorithm for pulse radar systems based on boundary scattering transform,"
      IEICE Transactions on Communications, vol. E87-B, no. 5, pp. 1357-1365, May 2004.
    2. Takuya Sakamoto and Toru Sato,
      "An estimation algorithm of target location and scattered waveforms for UWB pulse radar systems,"
      IEICE Transactions on Communications, vol. E87-B, no. 6, pp. 1631-1638, June 2004.
    3. Takuya Sakamoto, Daisuke Umehara, Yoshiteru Morihiro and Makoto Kawai,
      "A synchronization method for synchronous CDMA broadband communication systems with GEO satellites,"
      IEICE Transactions on Communications, vol. E87-B, no. 8, pp. 2111-2118, Aug. 2004.
    4. Takuya Sakamoto and Toru Sato,
      "A phase compensation algorithm for high-resolution pulse radar systems,"
      IEICE Transactions on Communications, vol. E87-B, no. 11, pp. 3314-3321, Nov. 2004.
    5. (In Japanese)Toru Sato, Takuya Sakamoto,
      "Image reconstruction algorithms for UWB pulse radar systems,"
      IEICE Transactions Japanese Edition, vol. J88-B, no. 12, pp. 2311-2325, Dec. 2005.
    6. Shouhei Kidera, Takuya Sakamoto, Satoshi Sugino, and Toru Sato,
      "An accurate imaging algorithm with scattered waveform estimation for UWB pulse radars,"
      IEICE Transactions on Communications, vol. E89-B, no. 9, pp. 2588-2595, Sep. 2006.
    7. (In Japanese)Takuya Sakamoto, Shouhei Kidera, Toru Sato, Satoshi Sugino,
      "An experimental study on a fast 3-D imaging algorithm for UWB pulse radars,"
      IEICE Transactions Japanese Edition, vol. J90-B, no. 1, pp. 66-73, Jan. 2007.
    8. Takuya Sakamoto,
      "A 2-D image stabilization algorithm for UWB pulse radars with fractional boundary scattering transform,"
      IEICE Transactions on Communications, vol. E90-B, no. 1, pp. 131-139, Jan. 2007.
    9. Takuya Sakamoto,
      "A fast algorithm for 3-dimensional imaging with UWB pulse radar systems,"
      IEICE Transactions on Communications, vol. E90-B, no. 3, pp. 636-644, Mar. 2007.
    10. Shouhei Kidera, Takuya Sakamoto, Toru Sato,
      "A high-resolution imaging algorithm without derivatives based on waveform estimation for UWB radars,"
      IEICE Transactions on Communications, vol. E90-B, no. 6, pp. 1487-1494, June 2007.
    11. Shouhei Kidera, Takuya Sakamoto, Toru Sato,
      "A robust and fast imaging algorithm with an envelope of circles for UWB pulse radars,"
      IEICE Transactions on Communications, vol. E90-B, no. 7, pp. 1801-1809, July 2007.
    12. Kentaro Isoda, Takuya Sakamoto, Toru Sato,
      "Effective echo detection and accurate orbit estimation algorithms for space debris radar,"
      IEICE Transactions on Communications, vol. E91-B, no. 3, pp. 887-895, Mar. 2008.
    13. Shouhei Kidera, Yusuke Kani, Takuya Sakamoto, Toru Sato,
      "Fast and accurate 3-D imaging algorithm with linear array antennas for UWB pulse radars,"
      IEICE Transactions on Communications, vol. E91-B, no. 8, pp. 2683-2691, Aug. 2008.
    14. Shouhei Kidera, Takuya Sakamoto, and Toru Sato,
      "High-resolution and real-time 3-D imaging algorithm with an envelope of spheres for UWB radars,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 46, no. 11, pp. 3503-3513, Nov. 2008.
    15. Takuya Sakamoto and Toru Sato,
      "2-dimensional imaging of human bodies with UWB radar using approximately uniform walking motion along a straight line with the SEABED algorithm,"
      IEICE Transactions on Communications, vol. E91-B, no. 11, pp. 3695-3703, Nov. 2008.
    16. Takuya Sakamoto and Toru Sato,
      "Code-division multiple transmission for high-speed UWB radar imaging with an antenna array,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 47, no. 4, pp. 1186-1179, April 2009.
    17. Tomoki Kimura, Hirofumi Taki, Takuya Sakamoto and Toru Sato,
      "Experimental study of high range resolution medical acoustic imaging for multiple target detection with frequency domain interferometry,"
      Japanese Journal of Applied Physics, vol. 48, no. 7, 07GJ07, July 2009.
    18. Shouhei Kidera, Takuya Sakamoto, and Toru Sato,
      "High-resolution 3-D imaging algorithm with envelope of modified spheres for UWB through-the-wall radars,"
      IEEE Transactions on Antennas & Propagation, vol. 57, no. 11, pp. 3520-3529, Nov. 2009.
    19. Shouhei Kidera, Takuya Sakamoto, and Toru Sato,
      "Accurate UWB radar 3-d imaging algorithm for complex boundary without range points connections,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 48, no. 4, pp. 1993-2004, April 2010.
    20. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina, Toru Sato,
      "Calculus detection for ultrasonography using decorrelation of forward scattered wave,"
      Journal of Medical Ultasonics, vol. 37, no. 3, pp. 129-135, July 2010.
    21. Yuji Matsuki, Takuya Sakamoto, Toru Sato,
      "An imaging algorithm of a target with arbitrary motion for ultra wide-band radar with a small number of antennas,"
      IEICE Transactions on Communications, vol. E94-B, no. 3, pp. 742-749, March 2011.
    22. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina, Kenichi Nagae and Toru Sato,
      "Small calcification depiction in ultrasound B-mode images using decorrelation of echoes caused by forward scattered waves,"
      Journal of Medical Ultasonics, vol. 38, no. 2, pp. 73-80, April 2011.
    23. Shouhei Kidera, Takuya Sakamoto and Toru Sato,
      "Super-resolution UWB radar imaging algorithm based on extended Capon with reference signal optimization,"
      IEEE Transactions on Antennas & Propagation, vol. 59, no. 5, pp. 1606 - 1615, May 2011.
    24. Takuya Sakamoto, Hirofumi Taki, and Toru Sato,
      "An experimental study of ultrasonic imaging with a reduced number of array elements using the envelope method,"
      Acoustical Science and Technology (AST), the Acoustical Society of Japan, vol. 32, no. 4, pp. 143-150 July 2011.
    25. Shuhei Fujita, Takuya Sakamoto and Toru Sato,
      "2-dimensional accurate imaging with UWB radar using indoor multipath echoes for a target in shadow regions,"
      IEICE Transactions on Communications, vol. E94-B, no. 8, pp. 2366-2374, Aug. 2011.
    26. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina, and Toru Sato,
      "Ultrasound phantom using thin wires for the depiction of calcification -- comparison of cross-sections of wire targets and mass targets,"
      IEEJ Transactions on Electronics, Information and Systems, vol. 131, no. 9, pp. 1528-1534, Sept. 2011.
    27. Takuya Sakamoto and Toru Sato,
      "Two-dimensional ultrawideband radar imaging of a target with arbitrary translation and rotation,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 49, no. 11, pp. 4493-4502, Nov. 2011.
    28. Shouhei Kidera, Takuya Sakamoto and Toru Sato,
      "Extended imaging algorithm based on aperture synthesis with double-scattered waves for UWB radars,"
      IEEE Transactions on Geoscience and Remote Sensing, vol. 49, no. 12, pp. 5128-5139, Dec. 2011.
    29. Hirofumi Taki, Kousuke Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina, Motoi Kudo and Toru Sato,
      "High range resolution ultrasonographic vascular imaging using frequency domain interferometry with the Capon method,"
      IEEE Transactions on Medical Imaging (IF 3.9), vol. 31, no. 2, pp. 417-429, Feb. 2012.
    30. Kenshi Saho, Tomoki Kimura, Shouhei Kidera, Hirofumi Taki, Takuya Sakamoto, and Toru Sato,
      "Robust and accurate ultrasound 3-D imaging algorithm incorporating adaptive smoothing techniques,"
      IEICE Transactions on Communications (IF 0.83), vol. E95-B, no. 2, pp. 572-580, Feb. 2012.
    31. Takuya Sakamoto, Yuji Matsuki, and Toru Sato,
      "Method for the three-dimensional imaging of a moving target using an ultra-wideband radar with a small number of antennas,"
      IEICE Transactions on Communications (IF 0.83), vol. E95-B, no. 3, pp. 972-979, March 2012.
    32. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina and Toru Sato
      "Small calcification indicator in ultrasonography using correlation of echoes with a modified Wiener filter,"
      Journal of Medical Ultasonics (IF 0.62), vol. 39, pp. 127-135, July 2012.
    33. Hirofumi Taki, Takuya Sakamoto, Makoto Yamakawa, Tsuyoshi Shiina and Toru Sato
      "High resolution ultrasound imaging using frequency domain interferometry - suppression of interference using adaptive frequency averaging -,"
      IEEJ Transactions on Electronics, Information and Systems, vol. 132, no. 10, pp. 1552-1557, Oct. 2012.
    34. Kenshi Saho, Takuya Sakamoto, Toru Sato, Kenichi Inoue, and Takeshi Fukuda,
      "Pedestrian imaging using UWB Doppler radar interferometry,"
      IEICE Transactions on Communications (IF 0.83), vol. E96-B, no. 2, pp. 613-623, Feb. 2013.
    35. Kenshi Saho, Takuya Sakamoto, Toru Sato, Kenichi Inoue, and Takeshi Fukuda,
      "Accurate and real-time pedestrian classification based on UWB Doppler radar images and their radial velocity features,"
      IEICE Transactions on Communications (IF 0.83), vol. E96-B, no. 10, pp. 2563-2572, Oct. 2013.
    36. Kenshi Saho, Hiroaki Homma, Takuya Sakamoto, Toru Sato, Kenichi Inoue, and Takeshi Fukuda,
      "Accurate image separation method for two closely spaced pedestrians using UWB Doppler imaging radar and supervised learning,"
      IEICE Transactions on Communications (IF 0.83), vol. E97-B, no. 6, pp. 1223-1233, June 2014.
    37. Takuya Sakamoto, Toru Sato, Pascal J. Aubry, and Alexander G. Yarovoy,
      "Texture-based automatic separation of echoes from distributed moving targets in UWB radar signals,"
      IEEE Transactions on Geoscience and Remote Sensing (IF 4.9), vol. 53, no. 1, pp. 352-361, January 2015.
    38. Takuya Sakamoto, Toru Sato, Pascal Aubry, and Alexander Yarovoy,
      "Ultra-wideband radar imaging using a hybrid of Kirchhoff migration and Stolt F-K migration with an inverse boundary scattering transform,"
      IEEE Transactions on Antennas and Propagation (IF 3.0), vol. 63, no. 8, pp. 3502-3512, Aug. 2015.
    39. Hirofumi Taki, Shinya Tanimura, Takuya Sakamoto, Tsuyoshi Shiina and Toru Sato,
      "Accurate ultrasound imaging based on Range Point Migration method for the depiction of fetal surface,"
      Journal of Medical Ultasonics (IF 0.62), vol. 42, no. 1, pp. 51-58, DOI: 10.1007/s10396-014-0574-4, Sep. 2015.
    40. Takuya Sakamoto, Ryohei Imasaka, Hirofumi Taki, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Accurate heartbeat monitoring using ultra-wideband radar,"
      IEICE Electronics Express (IF 0.46), vol. 12, no. 3, pp. 20141197, 2015.
    41. Yuan He, Pavlo Molchanov, Takuya Sakamoto, Pascal Aubry, Francois Le Chevalier, and Alexander Yarovoy,
      "Range-Doppler surface: a tool to analyse human target in ultra-wideband radar,"
      IET Radar, Sonar & Navigation (IF 1.5), vol. 9, no. 9, pp. 1240-1250, DOI: 10.1049/iet-rsn.2015.0065, Dec. 2015.
    42. Takuya Sakamoto, Hiroki Yamazaki, and Toru Sato,
      "Two-dimensional imaging of a pedestrian using multiple wideband Doppler interferometers with clustering-based echo association,"
      IEICE Transactions on Communications (IF 0.83), vol. E98-B, no. 9, pp. 1795-1803, Sep. 2015.
    43. Takuya Sakamoto, Shigeaki Okumura, Ryosuke Imanishi, Hirofumi Taki, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Remote heartbeat monitoring from human soles using 60-GHz ultra-wideband radar,"
      IEICE Electronics Express (IF 0.46), vol. 12, no. 21, pp. 20150786, 2015.
    44. Hiroki Yamazaki, Takuya Sakamoto, Hirofumi Taki, and Toru Sato,
      "False image suppression in two-dimensional shape estimates of a walking human using multiple ultra-wideband Doppler radar interferometers,"
      IEICE Transactions on Communications, vol. E99-B, no. 1, pp. 134-142, Jan. 2016.
    45. Takuya Sakamoto, Ryohei Imasaka, Hirofumi Taki, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Feature-based correlation and topological similarity for interbeat interval estimation using ultrawideband radar,"
      IEEE Transactions on Biomedical Engineering (IF 3.6), vol. 63, no. 4, pp. 747-757, April 2016.
    46. Thomas Fromenteze, Ettien Kpre, David Carsenat, Cyril Decroze, and Takuya Sakamoto,
      "Single-shot compressive multiple-inputs multiple-outputs radar imaging using a two-port passive device,"
      IEEE Access (IF 3.2), vol. 4, pp. 1050-1060, March 2016.
    47. Takuya Sakamoto, Toru Sato, Pascal Aubry, and Alexander Yarovoy,
      "Fast imaging method for security systems using ultrawideband radar,"
      IEEE Transactions on Aerospace and Electronic Systems (IF 2.0), vol. 52, no. 2, pp. 658-670, April 2016.
    48. Shigeaki Okumura, Takuya Sakamoto, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Comparison of clutter rejection techniques for measurement of small displacements of body surface using radar,"
      Electronics Letters (IF 1.2), vol. 52, no. 19, pp. 1635-1637, Sep 15, DOI: 10.1049/el.2016.1461, July 2016.
    49. Takuya Sakamoto, Akihiko Matsuoka, and Hidekuni Yomo,
      "Estimation of Doppler velocities from sub-Nyquist ultra-wideband radar measurements,"
      IEEE Sensors Journal (IF 2.5), vol. 16, no. 23, pp. 8557-8565, Dec. 2016.
    50. Motoshi Anabuki, Shigeaki Okumura, Takuya Sakamoto, Kenshi Saho, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Ultrawideband radar imaging using adaptive array and Doppler separation,"
      IEEE Transactions on Aerospace and Electronic Systems (IF 2.0), vol. 53, no. 1, pp. 190-200, Feb. 2017.
    51. Takuya Sakamoto, Daichi Akiyama, Takuro Sato, and Toru Sato,
      "Spectrum-free estimation of Doppler velocities using ultra-wideband radar,"
      IEEE Access (IF 3.2), vol. 5, pp. 3240-3249, Oct. 2017.
    52. Takuya Sakamoto, Pascal J. Aubry, Shigeaki Okumura, Hirofumi Taki, Toru Sato, Alexander G. Yarovoy,
      "Noncontact measurement of the instantaneous heart rate in a multi-person scenario using X-band array radar and adaptive array processing,"
      IEEE Journal on Emerging and Selected Topics in Circuits and Systems (IF 2.5), vol. 8, no. 2, pp. 280-293, doi:10.1109/JETCAS.2018.2809582, June 2018.
    53. Ashikur Rahman, Victor Lubecke, Olga Boric-Lubecke, Jan Prins, and Takuya Sakamoto,
      "Doppler radar techniques for accurate respiration characterization and subject identification,"
      IEEE Journal on Emerging and Selected Topics in Circuits and Systems, vol. 8, no. 2, pp. 350-359, doi:10.1109/JETCAS.2018.2818181, June 2018.
    54. Takuya Sakamoto, Masashi Muragaki, Kazunori Tamura, Shigeaki Okumura, Toru Sato, Kenji Mizutani, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Measurement of instantaneous heart rate using radar echoes from the human head,"
      Electronics Letters (IF 1.2), doi:10.1049/el.2018.0811, May 2018.
    55. (Invited paper) Kentaro Oishi, Shigeaki Okumura, Takuya Sakamoto, Toru Sato, Kenji Mizutani, Kenichi Inoue, Takeshi Fukuda, and Hiroyuki Sakai,
      "Non-contact interbeat interval measurement using higher harmonic components of body surface displacement with ultra-wideband Doppler radar,"
      IEICE Transactions Japanese Edition (accepted).
  • Academic societies
    IEEE Senior Member
    IEICE Member
    IEEJ Member
    The Japan Society of Ultrasonics in Medicine Member
  • United States Patents
    DateNumberInventorsTitle
    May 2016US9693738B2 Mototaka Yoshioka, Takeshi Fukuda, Toru Sato, Takuya Sakamoto Heartbeat measuring apparatus, heartbeat measuring method, and recording medium
    Mar. 2013US20140213902A1 Kenichi Nagae, Hirofumi Taki, Takuya Sakamoto, Toru Sato Subject information obtaining apparatus, method for obtaining subject information, and program
    Aug. 2012US9304191B2 Kenichi Nagae, Hirofumi Taki, Takuya Sakamoto, Toru Sato Subject information obtaining apparatus, subject information obtaining method, and program
    May 2012US8686894B2 Takeshi Fukuda, Kenichi Inoue, Toru Sato, Takuya Sakamoto, Kenshi Saho Radar imaging apparatus, imaging method, and program thereof
    Mar. 2009US2011/0012774A1 Hiroyuki Sakai, Takeshi Fukuda, Kenichi Inoue, Toru Sato, Takuya Sakamoto, Yusuke Kani Range finder, shape measuring device, and methods for them
    Apr. 2008US8410978B2 Hiroyuki Sakai, Takeshi Fukuda, Takuya Sakamoto, Toru Sato Shape measurement instrument and shape measurement method
  • Japanese Patents
    DateNumberInventors
    Sep. 2008JP4143728B - 4143728 (2008-09-03) Shohei Kidera, Takuya Sakamoto, Toru Sato
    Feb. 2009JP2009025030 - 2009-025030 (2009-02-05) Shohei Kidera, Takuya Sakamoto, Toru Sato
    Sep. 2008JP2009204572 - 2009-204572 (2009-09-10) Takayuki Kitamura, Takuya Sakamoto, Toru Sato
    Oct. 2009JP2009222592, 2009-222592 (2009-10-01) Hiroyuki Sakai, Takeshi Fukuda, Kenichi Inoue, Toru Sato, Takuya Sakamoto, Yusuke Kani
    Sep. 2013JP5290766B - 5290766 (2013-09-18) Hiroyuki Sakai, Takeshi Fukuda, Takuya Sakamoto, Toru Sato,
    Oct. 2013JP5312081B - 5312081 (2013-10-09) Hirofumi Taki, Toru Sato, Takuya Sakamoto, Tomoki Kimura, Kenichi Nagae
    July 2012JP4977806B - 4977806 (2012-07-18) Takeshi Fukuda, Kenichi Inoue, Toru Sato, Takuya Sakamoto, Kenshi Saho
    July 2016JP5950517B - 5950517 (2016-07-13) Hirofumi Taki, Takuya Sakamoto, Toru Sato, Kenichi Nagae
    Apr. 2015JP5697719B - 5697719 (2015-04-08) Hirofumi Taki, Toru Sato, Takuya Sakamoto, Tomoki Kimura, Kenichi Nagae
    Dec. 2016JP2016214876 - 2016-214876 (2016-12-22) Mototaka Yoshioka, Takeshi Fukuda, Toru Sato, Takuya Sakamoto
  • Language skills
  • Media
  • Review Service
  • Seminars
  • Awards
  • Theses Examined
    1. Leonardo Carrer, Concealed Weapon Detection, Master of Science Thesis, Delft University of Technology, May 29, 2012.

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