Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404772 | Golf putter | Tsuneo Nakamura, Shinichi Yamamura | 2008-07-29 |
| 5851157 | Iron club for golf | Sadatsugu Shimizu, Ikuo Nakazawa | 1998-12-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404772 | Golf putter | Tsuneo Nakamura, Shinichi Yamamura | 2008-07-29 |
| 5851157 | Iron club for golf | Sadatsugu Shimizu, Ikuo Nakazawa | 1998-12-22 |