Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5049964 | Bipolar transistor and method of manufacturing the same | Tetsuchi Sakai | 1991-09-17 |
| 4956245 | Fuel cell cooling plate | Hiroshi Shimizu, Takashi Harada, Kaoru Kondoh | 1990-09-11 |
| 4780427 | Bipolar transistor and method of manufacturing the same | Tetsushi Sakai | 1988-10-25 |
| 4559185 | Variable venturi type carburetor | Toshiaki Seto, Hideo Yamamoto | 1985-12-17 |