Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926552 | Cutting head for reciprocatory-type dry shavers | Kiyotaka Otsuka | 1990-05-22 |
| 4559456 | Battery powered electric appliance | Shigeo Yamamoto, Makoto Tanimizu, Kenzo Shirakawa | 1985-12-17 |