Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495912 | Constant speed running device for automobile | Saburo Yanagisawa | 1985-01-29 |
| 4237878 | Dripping fluid level detector | Toshiyuki Kobayashi, Hideharu Nakai, Isao Kai | 1980-12-09 |