Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7025691 | Golf putter shaft | Norio Matsumoto | 2006-04-11 |
| 5653646 | Golf club shaft and method of producing the same | Isamu Negishi | 1997-08-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7025691 | Golf putter shaft | Norio Matsumoto | 2006-04-11 |
| 5653646 | Golf club shaft and method of producing the same | Isamu Negishi | 1997-08-05 |