Ken-ya HASHIMOTO


A 1.9GHz Low-Phase-Noise Complementary Cross-Coupled FBAR-VCO without Additional Voltage Headroom in 0.18µm CMOS Technology
Guoqiang ZHANG Awinash ANAND Kousuke HIKICHI Shuji TANAKA Masayoshi ESASHI Ken-ya HASHIMOTO Shinji TANIGUCHI Ramesh K. POKHAREL 
Publication:   
Publication Date: 2017/04/01
Vol. E100-C  No. 4  pp. 363-369
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
complementary cross-coupled VCODC latchFBAR-VCOparasitic oscillationphase noise
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Single Symbol Decodable QO-STBC with Full Diversity
Naotoshi YODA Chang-Jun AHN Ken-ya HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/01/01
Vol. E97-A  No. 1  pp. 2-6
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: Foundations
Keyword: 
QO-STBCsymbol modificationpower imbalancetransmission diversity
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Heterogeneous Constellation Based QOSTBC for Improving Detection Property of QRD-MLD
Chang-Jun AHN Ken-ya HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/08/01
Vol. E95-B  No. 8  pp. 2674-2677
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
OSTBCQOSTBCMIMOQRD-MLDheterogeneous constellation
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High Coupling Lamb Waves Propagating in a ZnO/SiO2 Composite Membrane
Masatsune YAMAGUCHI Ken-ya HASHIMOTO Masayuki TANNO Hiroshi KOGO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/02/25
Vol. E69-E  No. 2  pp. 97-98
Type of Manuscript:  LETTER
Category: Other Devices
Keyword: 
 Summary | Full Text:PDF

Optimization of Linear Array Antennas by Selective Withdrawal of Elements
Masatsune YAMAGUCHI Ken-ya HASHIMOTO Hiroshi KOGO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1979/12/25
Vol. E62-E  No. 12  pp. 880-881
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
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Withdrawal of Interdigital Electrodes for Sidelobe Reduction of SAW Filters by Implicit Enumeration Algorithm for 0-1 type Integer Optimization
Masatsune YAMAGUCHI Ken-ya HASHIMOTO Hiroshi KAGO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/08/25
Vol. E61-E  No. 8  pp. 631-632
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF