AY

Akira Yamagiwa

HI Hitachi: 53 patents #249 of 28,497Top 1%
HS Hitachi Hokkai Semiconductor: 4 patents #16 of 98Top 20%
IS Ishikawa Seisakusho: 1 patents #7 of 32Top 25%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
LG: 1 patents #17,402 of 26,165Top 70%
Overall (All Time): #43,403 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 1–25 of 57 patents

Patent #TitleCo-InventorsDate
8106677 Signal transmitting device suited to fast signal transmission Toshitsugu Takekuma, Ryoichi Kurihara 2012-01-31
7911224 Signal transmitting device suited to fast signal transmission Toshitsugu Takekuma, Ryoichi Kurihara 2011-03-22
7372292 Signal transmitting device suited to fast signal transmission Toshitsugu Takekuma, Ryoichi Kurihara 2008-05-13
7295034 Signal transmitting device suited to fast signal transmission Toshitsuqu Takekuma, Ryoichi Kurihara 2007-11-13
7123048 Signal transmitting device suited to fast signal transmission Toshitsuqu Takekuma, Ryoichi Kurihara 2006-10-17
7015717 Signal transmitting device suited to fast signal transmission Toshitsugu Takekuma, Ryoichi Kurihara 2006-03-21
6873179 Signal transmitting device suited to fast signal transmission Toshitsuqu Takekuma, Ryoichi Kurihara 2005-03-29
6829574 Logic emulation module and logic emulation board Hiroshi Ito, Nobuaki EJIMA, Ryoichi Kurihara, Masakazu Sakaue, Yasuhiro Uemura 2004-12-07
6780677 Process for mounting electronic device and semiconductor device Satoshi Imasu, Ikuo Yoshida, Tetsuya Hayashida, Shinobu Takeura 2004-08-24
6768346 Signal transmission system Toshitsugu Takekuma, Takashi Moriyama, Ryoichi Kurihara 2004-07-27
6766404 Branch bus system for inter-LSI data transmission Hideki Osaka, Kenichi Ishibashi 2004-07-20
6737741 Process for mounting electronic device and semiconductor device Satoshi Imasu, Ikuo Yoshida, Tetsuya Hayashida, Shinobu Takeura 2004-05-18
6580295 Signal transmission system Toshitsugu Takekuma, Takashi Moriyama, Ryoichi Kurihara 2003-06-17
6496886 Directional coupling bus system using printed board Hideki Osaka, Toyohiko Komatsu, Masahiro Kitano, Ryoichi Kurihara 2002-12-17
6461896 Process for mounting electronic device and semiconductor device Satoshi Imasu, Ikuo Yoshida, Tetsuya Hayashida, Shinobu Takeura 2002-10-08
6441639 Circuit module connected to a transmission line including arrangement to suppress reflections at a branch point of the transmission line Toshitsugu Takekuma, Ryoichi Kurihara 2002-08-27
6441638 Bus system and circuit board Hideki Osaka, Shinichi Suzuki, Toshiro Takahashi 2002-08-27
6420900 Semiconductor memory Toshitsugu Takekuma, Ryoichi Kurihara 2002-07-16
6335867 Apparatus for interconnecting logic boards Kenichi Ishibashi, Takehisa Hayashi, Tsutomu Goto, Tsuyoshi Watanabe 2002-01-01
6266242 Circuit module and information processing apparatus Takashi Maruyama, Ryoichi Kurihara, Masakazu Sakaue, Yasuhiro Uemura, Mikihiro Tanaka 2001-07-24
6211703 Signal transmission system Toshitsugu Takekuma, Takashi Moriyama, Ryoichi Kurihara 2001-04-03
6208525 Process for mounting electronic device and semiconductor device Satoshi Imasu, Ikuo Yoshida, Tetsuya Hayashida, Shinobu Takeura 2001-03-27
6172517 Signal transmitting device, circuit block and integrated circuit suited to fast signal transmission Toshitsugu Takekuma, Ryoichi Kurihara 2001-01-09
6163464 Apparatus for interconnecting logic boards Kenichi Ishibashi, Takehisa Hayashi, Tsutomu Goto, Tsuyoshi Watanabe 2000-12-19
6069793 Circuit module and information processing apparatus Takashi Maruyama, Ryoichi Kurihara, Masakazu Sakaue, Yasuhiro Uemura, Mikihiro Tanaka 2000-05-30