Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402637 | Golf club head | Akinori Sasamoto, Harunobu Kusumoto, Atsushi Matsuo | 2002-06-11 |
| 6193614 | Golf club head | Akinori Sasamoto, Harunobu Kusumoto, Atsushi Matsuo | 2001-02-27 |
| 6056649 | Golf club head | — | 2000-05-02 |
| 5899820 | Golf club head and method of manufacturing thereof | Hideharu Minematsu | 1999-05-04 |
| 5816936 | Golf club head and method of manufacturing the same | Yuichi Aizawa, Mahito Kimura | 1998-10-06 |
| D386549 | Golf club head | Kunihiko Takahashi, Takehiko Asakuno | 1997-11-18 |
| D383819 | Golf club head | Kunihiko Takahashi | 1997-09-16 |
| 5616088 | Golf club head | Yuichi Aizawa | 1997-04-01 |
| 5547194 | Golf club head | Yuichi Aizawa, Mahito Kimura | 1996-08-20 |