Hiroyuki TAKAHASHI


Superconducting Transition Edge Sensor for Gamma-Ray Spectroscopy
Masashi OHNO Tomoya IRIMATSUGAWA Hiroyuki TAKAHASHI Chiko OTANI Takashi YASUMUNE Koji TAKASAKI Chikara ITO Takashi OHNISHI Shin-ichi KOYAMA Shuichi HATAKEYAMA R.M. Thushara. DAMAYANTHI 
Publication:   
Publication Date: 2017/03/01
Vol. E100-C  No. 3  pp. 283-290
Type of Manuscript:  INVITED PAPER (Special Section on Leading-Edge Technologies of Superconducting Measurement Systems)
Category: 
Keyword: 
transition edge sensorgamma-raynuclide analysis
 Summary | Full Text:PDF(3.3MB)

120-GHz-Band Amplifier Module with Hermetic Sealing Structure for 10-Gbit/s Wireless System
Hiroyuki TAKAHASHI Toshihiko KOSUGI Akihiko HIRATA Jun TAKEUCHI Koichi MURATA Naoya KUKUTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/06/01
Vol. E97-C  No. 6  pp. 583-591
Type of Manuscript:  PAPER
Category: Electronic Components
Keyword: 
millimeter-wavewaveguideconnection techniquewireless communication
 Summary | Full Text:PDF(2.3MB)

A Finline Orthomode Transducer for 120-GHz-Band Wireless Links
Jun TAKEUCHI Akihiko HIRATA Hiroyuki TAKAHASHI Naoya KUKUTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/02/01
Vol. E97-C  No. 2  pp. 111-119
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
ortho-mode transducer (OMT)finlinemillimeter wavespolarization-multiplexing
 Summary | Full Text:PDF(4.5MB)

10-Gbit/s Bidirectional and 20-Gbit/s Unidirectional 2-ch Wireless Data Transmission System Using 120-GHz-Band Finline Orthomode Transducers
Jun TAKEUCHI Akihiko HIRATA Hiroyuki TAKAHASHI Naoya KUKUTSU Yoshiaki YAMADA Kei KITAMURA Mitsuhiro TESHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/02/01
Vol. E97-C  No. 2  pp. 101-110
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
ortho-mode transducer (OMT)finlinemillimeter wavespolarization-multiplexing
 Summary | Full Text:PDF(3.1MB)

Evaluation of Interference between Parallel 120-GHz-Band Wireless Link Systems with High-Gain Cassegrain Antennas
Jun TAKEUCHI Akihiko HIRATA Hiroyuki TAKAHASHI Naoya KUKUTSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/10/01
Vol. E96-C  No. 10  pp. 1294-1300
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies and Applications for Microwave and Millimeter-Wave Systems)
Category: 
Keyword: 
millimeter-wave radio communicationsbroadband communicationsphotodiodeHEMT
 Summary | Full Text:PDF(995.8KB)

A Novel Fast Mobile IPv6 Handover Scheme Using Dual Bands in Road-to-Vehicle Communications
Tomotaka WADA Hiroyuki TAKAHASHI Kouichi MUTSUURA Hiromi OKADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/01/01
Vol. E95-A  No. 1  pp. 313-316
Type of Manuscript:  Special Section LETTER (Special Section on Intelligent Transport Systems)
Category: ITS
Keyword: 
handovermobile IPv6dual bandsroad-to-vehicle communications
 Summary | Full Text:PDF(977.1KB)