Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6001032 | Golf club head | Akio Ohnishi | 1999-12-14 |
| 5836830 | Golf club head | Masaya Tsunoda, Kazuo Asano | 1998-11-17 |
| 5798833 | Rotation speed measuring machine for flying globe | Satoru Kinuhata, Yuichi Takeuchi, Yoshiaki Miyamoto, Tetsuo Yamaguchi | 1998-08-25 |