Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681228 | Golf club head | Daisuke Mikame, Yasunori Imamoto, Hiroshi Ezaki | 1997-10-28 |
| 5658208 | Golf club head | — | 1997-08-19 |
| 5603667 | Golf club head | Hiroshi Ezaki, Hidekimi Inoue, Ryohei Uji, Masaomi Hiruta, Hideyuki Ishii | 1997-02-18 |