Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8679915 | Non-volatile semiconductor device and method of fabricating embedded non-volatile semiconductor memory device with sidewall gate | Kan Yasui, Digh Hisamoto, Tetsuya Ishimaru | 2014-03-25 |
| 8324092 | Non-volatile semiconductor device and method of fabricating embedded non-volatile semiconductor memory device with sidewall gate | Kan Yasui, Digh Hisamoto, Tetsuya Ishimaru | 2012-12-04 |
| 7667259 | Non-volatile semiconductor device and method of fabricating embedded non-volatile semiconductor memory device with sidewall gate | Kan Yasui, Digh Hisamoto, Tetsuya Ishimaru | 2010-02-23 |
| RE38296 | Semiconductor memory device with recessed array region | Noboru Moriuchi, Yoshiki Yamaguchi, Toshihiko Tanaka, Norio Hasegawa, Yoshifumi Kawamoto +2 more | 2003-11-04 |
| 6600978 | Railway vehicle operation-control system and a railway vehicle using the operation control system | Masahiro Nagasu, Yutaka Sato, Kiyoshi Nakata | 2003-07-29 |
| 6414370 | Semiconductor circuit preventing electromagnetic noise | Masahiro Nagasu, Hideo Kobayashi, Hideki Miyazaki, Junichi Sakano, Mutsuhiro Mori | 2002-07-02 |
| 6353236 | Semiconductor surge absorber, electrical-electronic apparatus, and power module using the same | Tsutomu Yatsuo, Takayuki Iwasaki, Hidekatsu Onose | 2002-03-05 |
| 6353258 | Semiconductor module | Hirokazu Inoue, Ryuichi Saito, Mutsuhiro Mori, Yasutoshi Kurihara, Jin Onuki +6 more | 2002-03-05 |
| 6304472 | Electric power converting system with integrator providing output indicative of current | Masahiro Nagasu, Mutsuhiro Mori, Kiyoshi Nakata, Mutsuhiro Terunuma | 2001-10-16 |
| 6271709 | Gate drive circuit of voltage drive switching element | Masahiro Nagasu, Satoru Inarida, Hideki Miyazaki, Katsunori Suzuki | 2001-08-07 |
| 6204717 | Semiconductor circuit and semiconductor device for use in equipment such as a power converting apparatus | Masahiro Nagasu, Hideo Kobayashi, Hideki Miyazaki, Junichi Sakano, Mutsuhiro Mori | 2001-03-20 |
| 6169672 | Power converter with clamping circuit | Tsutomu Yatsuo, Takayuki Iwasaki | 2001-01-02 |
| 5929519 | Semiconductor module including switching device chips and diode chips | Mutsuhiro Mori, Ryuichi Saito, Syuuji Saitoo, Kiyoshi Nakata, Akira Horie +2 more | 1999-07-27 |
| 5801936 | Semiconductor module for a power conversion device | Mutsuhiro Mori, Ryuichi Saito, Kiyoshi Nakata, Syuuji Saitoo, Akira Horie +2 more | 1998-09-01 |
| 5731970 | Power conversion device and semiconductor module suitable for use in the device | Mutsuhiro Mori, Ryuichi Saito, Syuuji Saitoo, Kiyoshi Nakata, Akira Horie +2 more | 1998-03-24 |
| 5459655 | Neutral-point clamped inverter device using semiconductor modules | Mutsuhiro Mori, Ryuichi Saito, Kiyoshi Nakata, Syuuji Saitoo, Akira Horie +2 more | 1995-10-17 |
| 5274541 | Parallel circuit module including a diode and an IGBT | Yasuo Matsuda, Norikazu Tokunaga, Mutsuhiro Mori, Toshiki Kurosu, Yutaka Suzuki +4 more | 1993-12-28 |
| 5210479 | Drive circuit for an insulated gate transistor having overcurrent detecting and adjusting circuits | Norikazu Tokunaga, Nobuyoshi Mutoh, Satoshi Ibori, Shuuji Musha, Yasuo Matsuda +1 more | 1993-05-11 |
| 5196910 | Semiconductor memory device with recessed array region | Noboru Moriuchi, Yoshiki Yamaguchi, Toshihiko Tanaka, Norio Hasegawa, Yoshifumi Kawamoto +2 more | 1993-03-23 |
| 4882289 | Method of making a semiconductor memory device with recessed array region | Noboru Moriuchi, Yoshiki Yamaguchi, Toshihiko Tanaka, Norio Hasegawa, Yoshifumi Kawamoto +2 more | 1989-11-21 |
| 4683838 | Plasma treatment system | Eiichi Murakami, Terunori Warabisako, Kiyoshi Miyake, Hideo Sunami | 1987-08-04 |
| 4651189 | Semiconductor device provided with electrically floating control electrode | Tsutomu Yatsuo, Takahiro Nagano, Saburo Oikawa, Yukimasa Sato, Hiroshi Fukui | 1987-03-17 |
| 4646122 | Semiconductor device with floating remote gate turn-off means | Hiroshi Fukui, Hisao Amano, Tsutomu Yatsuo, Saburo Oikawa, Takahiro Nagano | 1987-02-24 |
| 4612561 | Parallel-connected gate turn-off thyristors | Hiroshi Fukui, Shinji Yamada, Shuji Musha, Masayoshi Sato | 1986-09-16 |
| 4417156 | Gate circuit for thyristors | Hiroshi Fukui, Kenichi Onda, Hisao Amano | 1983-11-22 |