Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334294 | Power supply device | Yousuke Hayashi, Xiaochen Zhang | 2025-06-17 |
| 5903181 | Voltage-controlled transistor drive circuit | — | 1999-05-11 |
| 5808504 | Insulated gate transistor drive circuit | Satoru Chikai, Tomohiro Kobayashi | 1998-09-15 |
| 5166541 | Switching apparatus with transient voltage cancellation | — | 1992-11-24 |
| 4985819 | AC-DC-AC apparatus having battery charging and discharging feature | Nobuo Sashida | 1991-01-15 |
| 4922365 | Overvoltage suppressing circuit for semiconductor device | — | 1990-05-01 |
| 4775803 | Base drive circuit of transistor | — | 1988-10-04 |