Issued Patents All Time
Showing 51–75 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498368 | Power semiconductor device | Kozo Sakamoto, Yosuke Inoue, Akihiro Miyauchi, Masaki Shiraishi, Atsuo Watanabe +1 more | 2002-12-24 |
| 6448587 | Circuit incorporated IGBT and power conversion device using the same | Yasuhiko Kohno, Junpei Uruno | 2002-09-10 |
| 6414370 | Semiconductor circuit preventing electromagnetic noise | Masahiro Nagasu, Hideo Kobayashi, Hideki Miyazaki, Shin Kimura, Junichi Sakano | 2002-07-02 |
| 6392908 | Method and apparatus for driving a semiconductor element | Hideki Miyazaki, Katsunori Suzuki, Koji Tateno, Junichi Sakano, Masahiro Iwamura | 2002-05-21 |
| 6373731 | Surge voltage suppressed power inverter using a voltage driven switching element | Masahiro Iwamura, Hideki Miyazaki, Katsunori Suzuki, Junichi Sakano, Koji Tateno | 2002-04-16 |
| 6353258 | Semiconductor module | Hirokazu Inoue, Ryuichi Saito, Yasutoshi Kurihara, Jin Onuki, Shin Kimura +6 more | 2002-03-05 |
| 6304472 | Electric power converting system with integrator providing output indicative of current | Masahiro Nagasu, Shin Kimura, Kiyoshi Nakata, Mutsuhiro Terunuma | 2001-10-16 |
| 6275399 | Method and apparatus for driving a semiconductor element with variable resistance circuitry | Hideki Miyazaki, Katsunori Suzuki, Koji Tateno, Junichi Sakano, Masahiro Iwamura | 2001-08-14 |
| 6204717 | Semiconductor circuit and semiconductor device for use in equipment such as a power converting apparatus | Masahiro Nagasu, Hideo Kobayashi, Hideki Miyazaki, Shin Kimura, Junichi Sakano | 2001-03-20 |
| 6198126 | Semiconductor device and power converter using same | Yasumichi Yasuda, Hiromi Hosoya | 2001-03-06 |
| 6180966 | Trench gate type semiconductor device with current sensing cell | Yasuhiko Kohno, Naoki Sakurai | 2001-01-30 |
| 6144046 | Power inverter having series connection of semiconductor devices each having an inverse parallel connection of an insulated gate bipolar transistor and a diode | Koumei Hanaoka, Naoki Sakurai | 2000-11-07 |
| 5929519 | Semiconductor module including switching device chips and diode chips | Ryuichi Saito, Shin Kimura, Syuuji Saitoo, Kiyoshi Nakata, Akira Horie +2 more | 1999-07-27 |
| 5898199 | Semiconductor device and power converter using same | Yasumichi Yasuda, Hiromi Hosoya | 1999-04-27 |
| 5859446 | Diode and power converting apparatus | Masahiro Nagasu, Hideo Kobayashi, Junichi Sakano | 1999-01-12 |
| 5804868 | Semiconductor device having planar junction | Hideo Kobayashi, Yasumichi Yasuda, Yasunori Nakano | 1998-09-08 |
| 5801936 | Semiconductor module for a power conversion device | Ryuichi Saito, Shin Kimura, Kiyoshi Nakata, Syuuji Saitoo, Akira Horie +2 more | 1998-09-01 |
| 5767555 | Compound semiconductor device controlled by MIS gate, driving method therefor and electric power conversion device using the compound semiconductor device and the driving method | Junichi Sakano, Hideo Kobayashi, Masahiro Nagasu | 1998-06-16 |
| 5731970 | Power conversion device and semiconductor module suitable for use in the device | Ryuichi Saito, Shin Kimura, Syuuji Saitoo, Kiyoshi Nakata, Akira Horie +2 more | 1998-03-24 |
| 5701018 | Semiconductor device having parallel connection of an insulated gate bipolar transistor and a diode | Koumei Hanaoka, Naoki Sakurai | 1997-12-23 |
| 5691553 | Semiconductor device and power converter using same | Yasumichi Yasuda, Hiromi Hosoya | 1997-11-25 |
| 5670811 | Vertical insulated gate semiconductor device having high current density and high reliability | Tomoyuki Tanaka, Yasumichi Yasuda, Yasunori Nakano | 1997-09-23 |
| 5539244 | Power semiconductor device | Yasumichi Yasuda, Hiroyuki Ozawa, Jin Onuki | 1996-07-23 |
| 5479030 | Compound semiconductor device and electric power converting apparatus using such device | — | 1995-12-26 |
| 5459655 | Neutral-point clamped inverter device using semiconductor modules | Ryuichi Saito, Shin Kimura, Kiyoshi Nakata, Syuuji Saitoo, Akira Horie +2 more | 1995-10-17 |