Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681228 | Golf club head | Daisuke Mikame, Yasunori Imamoto, Hirato Shimasaki | 1997-10-28 |
| 5603667 | Golf club head | Hidekimi Inoue, Ryohei Uji, Hirato Shimasaki, Masaomi Hiruta, Hideyuki Ishii | 1997-02-18 |