Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D438924 | Iron-type golf club head | — | 2001-03-13 |
| D438922 | Wood-type golf club head | — | 2001-03-13 |
| D438275 | Iron-type golf club head | Masahiko Nagahama | 2001-02-27 |
| 5380004 | Iron-type golf club set | Mitsutake Teramoto, Takaharu Okumoto | 1995-01-10 |
| D351442 | Golf club head | Masahiko Nagahama | 1994-10-11 |
| 5333860 | Golf club sets | Shinkichi Saito, Atsushi Onozato, Toshinori Nishimura, Kazuo Kawada, Shinji Yamamoto | 1994-08-02 |
| 5333859 | Constant swing golf club set by varied club length | Mitsutake Teramoto, Takaharu Okumoto, Teruo Goto, Shinkichi Saito | 1994-08-02 |
| 5333862 | Wood type golf club | Mitsutake Teramoto, Shinkichi Saito | 1994-08-02 |
| 5121918 | Constant swing golf club set by varied club length | Mitsutake Teramoto, Takaharu Okumoto, Teruo Goto, Shinkichi Saito | 1992-06-16 |
| 4986541 | Iron golf club set | Mitsutake Teramoto, Shinkichi Saito, Takaharu Okumoto | 1991-01-22 |