Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8970186 | DC-DC converter with an auxiliary circuit for performing soft-switching | Kota Manabe, Takahiko Hasegawa, Tomohiko Kaneko, Khalid Hassan Hussein | 2015-03-03 |
| 8614566 | DC-DC converter | Khalid Hassan Hussein | 2013-12-24 |
| 7235857 | Power semiconductor device | Gourab Majumdar, Akihisa Yamamoto | 2007-06-26 |
| 7148562 | Power semiconductor device and power semiconductor module | Takanobu Yoshida | 2006-12-12 |
| 6762491 | Power semiconductor device | Korehide Okamoto | 2004-07-13 |
| 6724169 | Controller for power device and drive controller for motor | Gourab Majumdar, Tatsuo Oota, Masanori Fukunaga | 2004-04-20 |
| 6643155 | Power semiconductor device, power arm and inverter circuit | Gourab Majumdar | 2003-11-04 |
| 6639295 | Semiconductor device | Gourab Majumdar, Akihisa Yamamoto | 2003-10-28 |
| 6529062 | Power module | Gourab Majumdar, Mitsutaka Iwasaki, Fumitaka Tametani, Toru Iwagami, Akihisa Yamamoto | 2003-03-04 |
| 6522098 | Controller for power device and drive controller for motor | Gourab Majumdar, Tatsuo Oota, Masanori Fukunaga | 2003-02-18 |
| 6459598 | Inverter device | Akihisa Yamamoto, Kazuaki Hiyama | 2002-10-01 |
| 6452365 | Power converter with increased breakdown voltage maintaining stable operation | Gourab Majumdar, Kousuke Yoshimura | 2002-09-17 |
| 6351399 | Power converter | Ken Takanashi, Kazuaki Hiyama, Khalid Hassan Hussein, Fumitaka Tametani | 2002-02-26 |
| 6005366 | Controller for power device and drive controller for motor | Gourab Majumdar, Tatsuo Oota, Masanori Fukunaga | 1999-12-21 |
| 5706189 | Method of driving a power converter | Gourab Majumdar | 1998-01-06 |
| 5686859 | Semiconductor switch including a pre-driver with a capacitively isolated power supply | Gourab Majumdar, Masayuki Koura | 1997-11-11 |
| 5432471 | Insulated gate semiconductor device | Gourab Majumdar, Mitsuharu Tabata, Takashi Marumo | 1995-07-11 |