YK

Yoshihiko Koike

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
HC Hitachi Haramachi Electronics Co.: 4 patents #1 of 64Top 2%
HD Hitachi Power Semiconductor Device: 1 patents #36 of 79Top 50%
HI Hitchi: 1 patents #1 of 56Top 2%
Overall (All Time): #155,370 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
9000601 Power semiconductor module Katsunori Azuma, Kentaro Yasuda, Takahiro Fujita, Katsuaki Saito, Michiaki Hiyoshi 2015-04-07
8304889 Power semiconductor module and fabrication method thereof Kazuhiro Oyama, Mutsuhiro Mori, Katsuaki Saito 2012-11-06
8283763 Power semiconductor module and fabrication method thereof Kazuhiro Oyama, Mutsuhiro Mori, Katsuaki Saito 2012-10-09
7454649 Marginless status determination circuit Kenji Yoshida, Tetsuya Yoshida 2008-11-18
7424383 Abnormality detection device for detecting an abnormality in a communication bus Norihiro Nakatsuhama, Osamu Tago, Yukihiro Ozawa 2008-09-09
7174435 Memory control circuit, memory device, and microcomputer Tetsuya Yoshida, Masayoshi Kusumoto 2007-02-06
7141741 Circuit board Kazuji Yamada, Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima +12 more 2006-11-28
7135939 Semiconductor device including an external oscillation circuit Shuji Yoshida 2006-11-14
7091518 Semiconductor device Tetsuya Yoshida 2006-08-15
6909185 Composite material including copper and cuprous oxide and application thereof Yasuo Kondo, Junya Kaneda, Tasuhisa Aono, Teruyoshi Abe, Masahisa Inagaki +2 more 2005-06-21
6833617 Composite material including copper and cuprous oxide and application thereof Yasuo Kondo, Junya Kaneda, Tasuhisa Aono, Teruyoshi Abe, Masahisa Inagaki +2 more 2004-12-21
6646344 Composite material, and manufacturing method and uses of same Kazutaka Okamoto, Yasuo Kondo, Teruyoshi Abe, Yasuhisa Aono, Junya Kaneda +1 more 2003-11-11
6630734 Composite material, and manufacturing method and uses of same Kazutaka Okamoto, Yasuo Kondo, Teruyoshi Abe, Yasuhisa Aono, Junya Kaneda +1 more 2003-10-07
6621328 Semiconductor device Shuji Yoshida, Tetsuya Yoshida 2003-09-16
6611056 Composite material, and manufacturing method and uses of same Kazutaka Okamoto, Yasuo Kondo, Teruyoshi Abe, Yasuhisa Aono, Junya Kaneda +1 more 2003-08-26
6441317 Semiconductor module and inverter device Akira Tanaka, Ryuichi Saito, Tadao Kushima, Hideo Shimizu, Shigeharu Nonoyama 2002-08-27
6434008 Semiconductor device Kazuji Yamada, Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima +12 more 2002-08-13
6321280 System LSI having communication function Koichi Yamamoto 2001-11-20
5956231 Semiconductor device having power semiconductor elements Kazuji Yamada, Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima +12 more 1999-09-21
5929519 Semiconductor module including switching device chips and diode chips Mutsuhiro Mori, Ryuichi Saito, Shin Kimura, Syuuji Saitoo, Kiyoshi Nakata +2 more 1999-07-27
5801936 Semiconductor module for a power conversion device Mutsuhiro Mori, Ryuichi Saito, Shin Kimura, Kiyoshi Nakata, Syuuji Saitoo +2 more 1998-09-01
5731970 Power conversion device and semiconductor module suitable for use in the device Mutsuhiro Mori, Ryuichi Saito, Shin Kimura, Syuuji Saitoo, Kiyoshi Nakata +2 more 1998-03-24
5621243 Semiconductor device having thermal stress resistance structure Noboru Baba, Hisanori Okamura, Masahiko Sakamoto, Hirosi Akiyama, Ryuichi Saito +4 more 1997-04-15
5585672 Semiconductor module with an improved heat sink/insulation plate arrangement Ryuichi Saito, Sigeki Sekine, Yuuji Wakisawa 1996-12-17
5459655 Neutral-point clamped inverter device using semiconductor modules Mutsuhiro Mori, Ryuichi Saito, Shin Kimura, Kiyoshi Nakata, Syuuji Saitoo +2 more 1995-10-17