Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016882 | Metallic golf club head | Masaki Fujimura | 1991-05-21 |
| 4964640 | Iron club head for golf | Tatsuo Nakanishi, Masaki Fujimura | 1990-10-23 |
| 4928972 | Iron club head for golf | Tatsuo Nakanishi, Masaki Fujimura | 1990-05-29 |
| 4884812 | Golf club head | Yoichi Nagasaki, Itsushi Nagamoto, Masaki Fujimura | 1989-12-05 |
| 4848747 | Set of golf clubs | Masaki Fujimura | 1989-07-18 |
| 4798383 | Golf club head | Yoichi Nagasaki, Itsushi Nagamoto, Masaki Fujimura | 1989-01-17 |
| 4792139 | Golf club head | Yoichi Nagasaki, Itsushi Nagamoto, Masaki Fujimura | 1988-12-20 |
| 4740345 | Method for producing an iron golf club head | Yoichi Nagasaki, Tatsuo Nakanishi, Masaki Fujimura | 1988-04-26 |