Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867091 | Surfing boom | Toshiyuki Arisato, Masatoyo Okitsu | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867091 | Surfing boom | Toshiyuki Arisato, Masatoyo Okitsu | 1989-09-19 |