Masaharu TAKAHASHI


RFID for Monitoring Baby's Posture
Masaharu TAKAHASHI Akira HIROKI 
Publication:   - - Abstracts of (Japanese Edition)
Publication Date: 2017/09/01
Vol. J100-B  No. 9  pp. 835-841
Type of Manuscript:  Special Section PAPER (Special Section on Antenna and Propagation Technologies as a Basis for Advanced Wireless Systems, and the Related Systems)
Category: 
Keyword: 
textile antennaRFID systemmedical monitoringFDTDmonitoring baby's posture
 Summary | Full Text(in Japanese):PDF(1.7MB)

SAR Evaluation of Patient with Carotid Stent during MR Imaging
Mahito KOIZUMI Ryotaro SUGA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2015/06/01
Vol. J98-B  No. 6  pp. 517-525
Type of Manuscript:  PAPER
Category: 
Keyword: 
Specific Absorption Rate (SAR)Magnetic Resonance Imaging (MRI)carotid stentFD-TD method
 Summary | Full Text(in Japanese):PDF(1.7MB)

RFID Technic for Drip Injection Monitoring
Hiromasa NAKAJIMA Masaharu TAKAHASHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2015/02/01
Vol. J98-B  No. 2  pp. 153-161
Type of Manuscript:  Special Section PAPER (Special Section on Student Research Attempting Innovation of Communications Technology)
Category: 
Keyword: 
antennaRFID systemmedical monitoring
 Summary | Full Text(in Japanese):PDF(2.4MB)

Impact Evaluation from Temperature Dependent of Tissue-Equivalent Phantom to Input Impedance of Antenna for Body-Centric Wireless Communications
Mizuki INOUE Ryotaro SUGA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2014/07/01
Vol. J97-B  No. 7  pp. 574-577
Type of Manuscript:  LETTER
Category: 
Keyword: 
tissue-equivalent phantomtemperature variationelectrical propertiesantenna input impedance
 Summary | Full Text(in Japanese):PDF(678.6KB)

Development of Coagulation Device for Biological Tissue using Microwave Energy
Mizuki INOUE Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2014/05/01
Vol. J97-C  No. 5  pp. 218-224
Type of Manuscript:  PAPER
Category: 
Keyword: 
microwavetissue coagulationhemostasisFDTD calculation
 Summary | Full Text(in Japanese):PDF(1MB)

SAR Evaluation of Leg with Artificial Knee Joint during MR Imaging
Ryotaro SUGA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2014/04/01
Vol. J97-B  No. 4  pp. 354-362
Type of Manuscript:  PAPER
Category: 
Keyword: 
specific absorption rate (SAR)Magnetic Resonance Imaging (MRI)artificial knee jointfinite-difference time-domain (FDTD) method
 Summary | Full Text(in Japanese):PDF(1.9MB)

Compensation Techniques for Thermal Diffusion in the SAR Measurement by the Thermographic Method
Kazuyuki SAITO Takuya TAKIMOTO Teruo ONISHI Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2014/03/01
Vol. J97-B  No. 3  pp. 294-300
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Photonics-applied Electromagnetic Measurement)
Category: 
Keyword: 
solid phantomthermographic methodSAR measurementthermal diffusioncompensation techniques
 Summary | Full Text(in Japanese):PDF(1.2MB)

Development of Urination Detection System Using RFID Technology
Hiromasa NAKAJIMA Masaharu TAKAHASHI Kazuyuki SAITO Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/12/01
Vol. J96-B  No. 12  pp. 1378-1385
Type of Manuscript:  PAPER
Category: 
Keyword: 
antennaRFID systemurinationpaper diaper
 Summary | Full Text(in Japanese):PDF(1.5MB)

Multi-Band Decoupling Method Using Two-Branch Antennas
Hiroshi SATO Yoshio KOYANAGI Koichi OGAWA Masaharu TAKAHASHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/09/01
Vol. J96-B  No. 9  pp. 1048-1056
Type of Manuscript:  Special Section PAPER (Special Issue on Antennas and Propagation Technologies Supporting Fusions of Wireless Systems)
Category: 
Keyword: 
MIMOantennadecoupling circuitantenna efficiencycorrelation coefficient
 Summary | Full Text(in Japanese):PDF(1.9MB)

Development of Biological Tissue-Equivalent Phantom in HF Band
Ryotaro SUGA Mizuki INOUE Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/09/01
Vol. J96-B  No. 9  pp. 964-970
Type of Manuscript:  Special Section PAPER (Special Issue on Antennas and Propagation Technologies Supporting Fusions of Wireless Systems)
Category: 
Keyword: 
biological tissue-equivalent phantomrelative permittivityconductivityimpedance analyzer
 Summary | Full Text(in Japanese):PDF(1.1MB)

Antenna Technologies for Wireless Body Area Networks
Masaharu TAKAHASHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/09/01
Vol. J96-B  No. 9  pp. 907-915
Type of Manuscript:  Special Section PAPER (Special Issue on Antennas and Propagation Technologies Supporting Fusions of Wireless Systems)
Category: 
Keyword: 
body area networkimplantable antennaphantomMICS
 Summary | Full Text(in Japanese):PDF(2.6MB)

Effects of Posture and Earth Ground on Intra-Body Communication Channels Using Quasi-Static Field
Nozomi HAGA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/02/01
Vol. J95-B  No. 2  pp. 257-264
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research for Future Communication Technology)
Category: 
Keyword: 
intra-body communicationsquasi-static approximationpostureearth groundequivalent circuit
 Summary | Full Text(in Japanese):PDF(942.3KB)

Development on Flexible Electromagnetic Hand Phantom
Takumi HIRAOKA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/02/01
Vol. J94-B  No. 2  pp. 292-296
Type of Manuscript:  Special Section LETTER (Special Issue on Student Research Building the Future of Communication Technology)
Category: 
Keyword: 
phantommobile phoneplanner inverted F antennahuman hand
 Summary | Full Text(in Japanese):PDF(907KB)

Development of Dynamic Phantom for Evaluation of Doppler Radar for Breath Detection
Jumpei YONEBAYASHI Shozo TAKAMATSU Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/02/01
Vol. J94-B  No. 2  pp. 297-299
Type of Manuscript:  Special Section LETTER (Special Issue on Student Research Building the Future of Communication Technology)
Category: 
Keyword: 
dynamic phantombiological tissue - equivalent phantomDoppler radarbreath detectionbiometry
 Summary | Full Text(in Japanese):PDF(670.3KB)

Quantitative Evaluation of WBAN System Using UWB and ISM Band in Terms of BER
Yudai SATOH Takayuki SASAMORI Teruo TOBANA Youji ISOTA Masaharu TAKAHASHI Toru UNO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/02/01
Vol. J94-B  No. 2  pp. 205-213
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Building the Future of Communication Technology)
Category: 
Keyword: 
WBANbody area networkinfinite dielectric circular cylinderelectromagnetic scatteringBER
 Summary | Full Text(in Japanese):PDF(1017.7KB)

Proposition of Improved Birdcage Coil for MRI System with No Lumped Circuit Elements
Kazuyuki SAITO Takahiro KAWAMURA Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2010/12/01
Vol. J93-B  No. 12  pp. 1644-1650
Type of Manuscript:  PAPER
Category: 
Keyword: 
MRIRF coilbirdcage coilmagnetic field distributionFDTD calculation
 Summary | Full Text(in Japanese):PDF(1.6MB)

Characteristics of Antenna on Cardiac Pacemaker Embedded in Multilayered Models
Masaharu TAKAHASHI Satoshi NAKATA Kazuyuki SAITO Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2010/12/01
Vol. J93-B  No. 12  pp. 1636-1643
Type of Manuscript:  PAPER
Category: 
Keyword: 
implantable antennaPIFAcardiac pacemakerMICS bandFDTD method
 Summary | Full Text(in Japanese):PDF(1.1MB)

Evaluation of Antenna Characteristics Dependent on Human Body Structure at 2 10 GHz
Yumiko UNO Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2010/02/01
Vol. J93-B  No. 2  pp. 278-285
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Contributing to Future Communication Technology)
Category: 
Keyword: 
biological tissue equivalent phantomnear fieldantenna characteristicFDTD method
 Summary | Full Text(in Japanese):PDF(1.7MB)

Estimation of SAR and Magnetic-Field Uniformity Inside a Human Body Inserted in Birdcage Coil for MRI System
Satoru KIKUCHI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2010/02/01
Vol. J93-B  No. 2  pp. 294-302
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Contributing to Future Communication Technology)
Category: 
Keyword: 
magnetic resonance imaging (MRI)birdcage coilfinite difference time domain (FDTD) methodspecific absorption rate (SAR) distributionmagnetic-field distribution
 Summary | Full Text(in Japanese):PDF(1.6MB)

Evaluation on Characteristics of Wristband Type RFID Antenna
Takashi NAKAJIMA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2010/02/01
Vol. J93-B  No. 2  pp. 286-293
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Contributing to Future Communication Technology)
Category: 
Keyword: 
RFIDwristbandbioligical tissue-equvalent solid phantomreflectorradiation pattern
 Summary | Full Text(in Japanese):PDF(1.1MB)

An FDTD Modeling of Semi-Infinite Lossy Ground for Electromagnetic Scattering Problem
Takuji ARIMA Soichi WATANABE Toru UNO Masaharu TAKAHASHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2009/09/01
Vol. J92-B  No. 9  pp. 1457-1463
Type of Manuscript:  Special Section PAPER (Special Issue on Simulation and Analysis Methods for Antennas and Propagation Technologies)
Category: 
Keyword: 
FDTD methodPMLsurface impedance boundary condition
 Summary | Full Text(in Japanese):PDF(370.5KB)

An Implantable Antenna Designed for Loading onto a Cardiac Pacemaker
Satoshi NATAKA Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2009/09/01
Vol. J92-B  No. 9  pp. 1407-1415
Type of Manuscript:  Special Section PAPER (Special Issue on Simulation and Analysis Methods for Antennas and Propagation Technologies)
Category: 
Keyword: 
cardiac pacemakerimplantable antennaPIFAFDTD method
 Summary | Full Text(in Japanese):PDF(1.3MB)

Calculations of SAR in Abdomen Using Numerical Human Model by Normal Mode Helical Antenna at 150 MHz
Shimpei AKIMOTO Satoru KIKUCHI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2009/01/01
Vol. J92-B  No. 1  pp. 304-311
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research for Future Communication Technology)
Category: 
Keyword: 
commercial wireless terminalnormal mode helical antennanumerical human modelSAR
 Summary | Full Text(in Japanese):PDF(1.8MB)

Circularly Polarized Patch Antennas Combining Different Shaped Linealy Polarized Elements
Takanori NORO Yasuhiro KAZAMA Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2008/05/01
Vol. J91-B  No. 5  pp. 595-604
Type of Manuscript:  PAPER
Category: 
Keyword: 
mobile satellite communicationspatch antennascircularly polarizationone-point feedwide bandwidth
 Summary | Full Text(in Japanese):PDF(1.1MB)

Development on Phantom for Measurement of Temperature Rises Inside Biological Tissue by Electromagnetic Waves Exposure
Atsushi HIROE Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2007/11/01
Vol. J90-B  No. 11  pp. 1187-1192
Type of Manuscript:  Special Section PAPER (Special Section on Broadband EMC Technologies)
Category: 
Keyword: 
phantomblood flowtemperature risecoaxial-slot antenna
 Summary | Full Text(in Japanese):PDF(631KB)

Development of a Tissue-Equivalent Solid Phantom for UWB Band and Its Application to the Evaluation of the Interaction between Radio Terminals and the Human Body
Koichi ITO Masaharu TAKAHASHI Kazuyuki SAITO 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2007/03/01
Vol. J90-C  No. 3  pp. 208-215
Type of Manuscript:  Special Section PAPER (Secial Issue on Microwave and Millimeter-Wave Materials for Wireless Communications and Related Technologies)
Category: 
Keyword: 
UWBtissue-equivalent solid phantom for UWB systemsradiation patternsFDTD method
 Summary | Full Text(in Japanese):PDF(525.2KB)

Demonstration Experiment of a Simple Satellite Tracking System
Toshimitsu TANAKA Tamotsu HOUZEN Kenichi KANEKO Shin-ichi YAMAMOTO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2007/01/01
Vol. J90-B  No. 1  pp. 106-109
Type of Manuscript:  LETTER
Category: 
Keyword: 
mobile satellite communicationssatellite trackingpatch array antennabeam switching
 Summary | Full Text(in Japanese):PDF(639.8KB)

Heating Performances of a Coaxial-Slot Antenna for Thermal Treatment of Bile Duct Carcinoma -- Experimental Estimation of Cooling Effect due to a Thick Blood Vessel --
Atsushi HIROE Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/12/01
Vol. J89-B  No. 12  pp. 2271-2274
Type of Manuscript:  LETTER
Category: 
Keyword: 
bile duct carcinomacooling effect of a blood flowcoaxial-slot antennatissue-equivalent solid phantomtemperature distribution
 Summary | Full Text(in Japanese):PDF(603.5KB)

Antennas for Contact-Less IC Card/RFID Tag Systems
Kouichi UESAKA Masaharu TAKAHASHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/09/01
Vol. J89-B  No. 9  pp. 1548-1557
Type of Manuscript:  Special Section PAPER (Special Issue on Design, Analysis and Measurement Techniques in Antennas and Propagation to Meet Expanding Applications of Radio Systems)
Category: 
Keyword: 
non-contact IC cardRFIDspiral antennadipole antennapatch antenna
 Summary | Full Text(in Japanese):PDF(3MB)

Evaluation on Effectiveness of the Biological Tissue Equivalent Solid Phantom for UWB Communications
Takuya TAKIMOTO Teruo ONISHI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/09/01
Vol. J89-B  No. 9  pp. 1806-1814
Type of Manuscript:  Special Section PAPER (Special Issue on Design, Analysis and Measurement Techniques in Antennas and Propagation to Meet Expanding Applications of Radio Systems)
Category: 
Keyword: 
UWBtissue-equivalent solid phantom for UWB communicationstime domain measurementFD-TD method
 Summary | Full Text(in Japanese):PDF(2.8MB)

Electronic Scanning Characteristics of a Simple Satellite-Tracking Array Antenna
Kenichi KANEKO Toshimitsu TANAKA Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/09/01
Vol. J89-B  No. 9  pp. 1696-1704
Type of Manuscript:  Special Section PAPER (Special Issue on Design, Analysis and Measurement Techniques in Antennas and Propagation to Meet Expanding Applications of Radio Systems)
Category: 
Keyword: 
switching circuitpatch array antennaETS-VIIIbeam switchingmobile satellite communications
 Summary | Full Text(in Japanese):PDF(2MB)

Control of Heating Pattern for Interstitial Microwave Hyperthermia by a Coaxial-Dipole Antenna--Aiming at Treatment of Brain Tumor--
Satoru KIKUCHI Kazuyuki SAITO Masaharu TAKAHASHI Koichi ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/08/01
Vol. J89-B  No. 8  pp. 1486-1492
Type of Manuscript:  PAPER
Category: 
Keyword: 
coaxial-dipole antennaMR imagebrain tumorSAR distributiontemperature distribution
 Summary | Full Text(in Japanese):PDF(702.2KB)