Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12395164 | Switching element drive circuit | — | 2025-08-19 |
| 12294287 | Semiconductor switching element drive circuit and semiconductor device | — | 2025-05-06 |
| 11139808 | Semiconductor device and power conversion system | Kentaro Yoshida | 2021-10-05 |
| 11025245 | Power conversion device | Yosuke NAKATA, Kentaro Yoshida | 2021-06-01 |
| 10978953 | Flyback power supply, inverter and electrically powered vehicle | — | 2021-04-13 |
| 10833669 | Semiconductor device, inverter, and automobile | — | 2020-11-10 |
| 9843318 | Buffer circuit | Kei Hayashi, Kentaro Yoshida | 2017-12-12 |
| 9716052 | Semiconductor device comprising a conductive film joining a diode and switching element | Tsuyoshi OSAGA, Mikio Ishihara, Tatsuya Kawase | 2017-07-25 |
| 9530766 | Semiconductor device | Mikio Ishihara, Tatsuya Kawase, Tsuyoshi OSAGA | 2016-12-27 |
| 9461640 | Switching element drive circuit, power module, and automobile | — | 2016-10-04 |
| 9455566 | Drive protection circuit, semiconductor module, and automobile | — | 2016-09-27 |
| 9013850 | Semiconductor device | — | 2015-04-21 |
| 8933568 | Semiconductor device | Tsuyoshi Takayama, Yukio Yasuda, Hajime Kato, Taishi Sasaki, Mikio Ishihara | 2015-01-13 |
| 8610485 | Gate drive circuit | — | 2013-12-17 |
| 8421163 | Power module | — | 2013-04-16 |
| 7710187 | Gate drive circuit | — | 2010-05-04 |
| 7602595 | Semiconductor device | — | 2009-10-13 |
| 7547992 | Drive device driving a plurality of semiconductor elements having respective reference potential electrodes coupled via a main electrode unit and alternating current power supply device provided with the drive device | — | 2009-06-16 |
| 6891707 | Semiconductor protection circuit | Akihisa Yamamoto | 2005-05-10 |
| 6756825 | Power device driving circuit | — | 2004-06-29 |
| 6735098 | Inrush current limiting circuit, power source device and power conversion device | Khalid Hassan Hussein | 2004-05-11 |
| 6680630 | Driver circuit for power device | — | 2004-01-20 |
| 6654262 | Inverter with pre-charging capacitor to reduce inrush current | Khalid Hassan Hussein | 2003-11-25 |
| 6459598 | Inverter device | Akihisa Yamamoto, Shinji Hatae | 2002-10-01 |
| 6351399 | Power converter | Ken Takanashi, Shinji Hatae, Khalid Hassan Hussein, Fumitaka Tametani | 2002-02-26 |