Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884812 | Golf club head | Yoichi Nagasaki, Toyohiko Tadokoro, Masaki Fujimura | 1989-12-05 |
| 4883623 | Method for producing a golf club head | Tatsuo Nakanishi, Tomoharu Yamashita | 1989-11-28 |
| 4824116 | Golf club head | Tatsuo Nakanishi, Ryohei Tajima | 1989-04-25 |
| 4798383 | Golf club head | Yoichi Nagasaki, Toyohiko Tadokoro, Masaki Fujimura | 1989-01-17 |
| 4795159 | Wood-type golf club head | — | 1989-01-03 |