Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666778 | FRP golf club shaft | — | 2003-12-23 |
| 6652389 | Golf club shaft | Goro Hisamatsu, Yasushi Matsui | 2003-11-25 |
| 6572490 | FRP golf club shaft | — | 2003-06-03 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666778 | FRP golf club shaft | — | 2003-12-23 |
| 6652389 | Golf club shaft | Goro Hisamatsu, Yasushi Matsui | 2003-11-25 |
| 6572490 | FRP golf club shaft | — | 2003-06-03 |