Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7429341 | Electroconductive composition, method for producing electroconductive film, and electroconductive film | Nao Sato, Kazunori Ishikawa, Hiroyuki Hosoda | 2008-09-30 |
| 5333860 | Golf club sets | Shinkichi Saito, Hideyo Asabuki, Toshinori Nishimura, Kazuo Kawada, Shinji Yamamoto | 1994-08-02 |
| 5213329 | Golf club head | Takaharu Okumoto, Tetsuo Hayashi | 1993-05-25 |
| 5193811 | Wood type golf club head | Takaharu Okumoto | 1993-03-16 |