Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7563175 | Golf club | Masafumi Nishitani | 2009-07-21 |
| 7294064 | Golf club | Katsuhiro Kobayashi, Takayuki Ando | 2007-11-13 |
| 6887165 | Golf club | — | 2005-05-03 |
| 6835145 | Golf club | — | 2004-12-28 |
| 6663506 | Golf club | Tatsuo Nishimoto, Akira Katahira | 2003-12-16 |
| 6638180 | Golf club | — | 2003-10-28 |
| 6558273 | Method for manufacturing a golf club | Kenji Kobayashi | 2003-05-06 |