Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11621626 | Driving apparatus, semiconductor apparatus, and driving method | — | 2023-04-04 |
| 10566966 | Semiconductor device and oscillation suppressing device | Naotaka Matsuda, Hideaki Kakiki, Susumu Iwamoto | 2020-02-18 |
| 7433212 | System linking apparatus for generated electric power | Yoshiyuki Uchida, Ryuichi Shimada | 2008-10-07 |
| 6657873 | Switching power supply circuit | — | 2003-12-02 |
| 6459597 | Electric power conversion apparatus with noise reduction device | Taichi Tanigawa | 2002-10-01 |
| 6339262 | Switching power supply using an input DC power supply | Akio Suzuki | 2002-01-15 |
| 6288595 | On-delay-compensating arm on-detection circuit | Masaki Hirakata, Satoki Takizawa | 2001-09-11 |
| 6111762 | Switching power supply | Akio Suzuki | 2000-08-29 |
| 6108218 | Switching power supply with power factor control | Akio Suzuki | 2000-08-22 |
| 6061253 | Variable frequency soft switching power supply with reduced noise and improved power factor | Akio Suzuki | 2000-05-09 |
| 5936387 | Gate drive circuit for power converters that reduces surge voltages | Masafumi Tabata | 1999-08-10 |
| 5889663 | Circuit for balancing steady-state currents of switching devices in electric power converter | Masafumi Tabata | 1999-03-30 |
| 5616955 | Power transistor module wiring structure | Toshifusa Yamada, Shin Soyano, Etsuo Arai, Manabu Watanabe | 1997-04-01 |
| 5202619 | Control circuit for a switching transistor | Shoichi Furuhata, Naoto Fujisawa | 1993-04-13 |