Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10224267 | Semiconductor device | Shintaro ARAKI, Mitsunori Aiko, Takaaki Shirasawa | 2019-03-05 |
| 9935034 | Semiconductor device and semiconductor module having cooling fins | Koichi Ushijima, Shoji Saito | 2018-04-03 |
| 9646912 | Semiconductor device and semiconductor module having cooling fins | Koichi Ushijima, Shoji Saito | 2017-05-09 |
| 9601408 | Semiconductor device | Shoji Saito, Arata IIZUKA | 2017-03-21 |
| 9467086 | Vehicle-mounted motor driving control board | Shoji Saito, Yoshikazu Tsunoda, Shintaro ARAKI | 2016-10-11 |
| 8994147 | Semiconductor device and semiconductor element | Shoji Saito | 2015-03-31 |
| 8970186 | DC-DC converter with an auxiliary circuit for performing soft-switching | Kota Manabe, Takahiko Hasegawa, Tomohiko Kaneko, Shinji Hatae | 2015-03-03 |
| 8810984 | Gate circuit | Akira Yamamoto, Fumio Wada | 2014-08-19 |
| 8766702 | Power semiconductor device having plurality of switching elements connected in parallel | Toshiyuki Kumagai, Shoji Saito | 2014-07-01 |
| 8749047 | Power module | Shintaro ARAKI, Korehide Okamoto, Mitsunori Aiko | 2014-06-10 |
| 8614566 | DC-DC converter | Shinji Hatae | 2013-12-24 |
| 8350319 | Semiconductor device | Shigeto Fujita, Junichi Yamashita, Hisao Kondo | 2013-01-08 |
| 7414867 | Power conversion device | Masuo Shinohara | 2008-08-19 |
| 7327181 | Multiple phase simultaneous switching preventing circuit, PWM inverter and its driving method | — | 2008-02-05 |
| RE39109 | Inverter circuit | Gorab Majumdar, Mitsutaka Iwasaki, Tooru Iwagami | 2006-05-30 |
| 6735098 | Inrush current limiting circuit, power source device and power conversion device | Kazuaki Hiyama | 2004-05-11 |
| 6654262 | Inverter with pre-charging capacitor to reduce inrush current | Kazuaki Hiyama | 2003-11-25 |
| 6351399 | Power converter | Ken Takanashi, Shinji Hatae, Kazuaki Hiyama, Fumitaka Tametani | 2002-02-26 |
| 6239998 | Inverter circuit | Gorab Majumdar, Mitsutaka Iwasaki, Tooru Iwagami | 2001-05-29 |
| 6208041 | Drive control device, module and combined module | Gourab Majumdar, Mitsutaka Iwasaki | 2001-03-27 |
| 6018474 | Switching device | Tooru Iwagami, Mitsutaka Iwasaki, Kazuaki Hiyama | 2000-01-25 |