Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685783 | Golf club shaft | Yoshihiro Motoki, Takashi Harada, Akira Suzawa | 1997-11-11 |
| 5437450 | Golf club shaft and process of preparing same | Yoshihiro Motoki, Takashi Harada, Akira Suzawa | 1995-08-01 |
| 5354054 | Golf club and golf club set | Yoshihiro Motoki, Takashi Harada, Akira Suzawa | 1994-10-11 |
| 5271620 | Golf club head | Kazutomo Moriguchi, Yoshihiro Motoki, Takashi Harada | 1993-12-21 |
| 5208090 | Metal single fiber-reinforced prepreg | Masatoyo Okitsu | 1993-05-04 |
| 5156396 | Golf club shaft | Yoshihiro Motoki, Takashi Harada | 1992-10-20 |