Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D283870 | Electric can opener | Osamu Yamamoto | 1986-05-20 |
| 4561182 | Electric can opener | Osamu Yamamoto | 1985-12-31 |
| 4534108 | Electric can opener with juice squeezing attachment | Osamu Yamamoto | 1985-08-13 |