Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685783 | Golf club shaft | Tsuneo Akatsuka, Yoshihiro Motoki, Takashi Harada | 1997-11-11 |
| 5551691 | Golf club shaft | Takashi Harada, Yoshihiro Motoki | 1996-09-03 |
| 5437450 | Golf club shaft and process of preparing same | Tsuneo Akatsuka, Yoshihiro Motoki, Takashi Harada | 1995-08-01 |
| 5354054 | Golf club and golf club set | Tsuneo Akatsuka, Yoshihiro Motoki, Takashi Harada | 1994-10-11 |