Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5208090 | Metal single fiber-reinforced prepreg | Tsuneo Akatsuka | 1993-05-04 |
| 5104123 | Metal bat for use in baseball | Katsuji Kitagawa, Masao Kubo, Toshiyuki Arisato | 1992-04-14 |
| 4867091 | Surfing boom | Toshiyuki Arisato, Toshio Mitsuyasu | 1989-09-19 |