Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572491 | Golf club head | Hirato Shimasaki, Makoto Kubota, Daisuke Mikame, Yasunori Imamoto | 2003-06-03 |
| 6340337 | Golf club head | Hirato Shimasaki, Makoto Kubota, Daisuke Mikame, Yasunori Imamoto | 2002-01-22 |
| 6254494 | Golf club head | Hirato Shimasaki, Makoto Kubota, Daisuke Mikame, Yasunori Imamoto | 2001-07-03 |