Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9225158 | Overcurrent protection circuit | Ippei Kawamoto, Fukuo Ishikawa, Akira Sugiura | 2015-12-29 |
| 8441767 | Overcurrent protection circuit | Nobutomo Takagi, Shigekazu Sugimoto, Fukuo Ishikawa | 2013-05-14 |
| 7173802 | Temperature protection device for power devices | Fukuo Ishikawa | 2007-02-06 |