Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438649 | Golf club head | Yasunori Imamoto | 2008-10-21 |
| 5842934 | Golf clubhead | Tetsuya Miyajima | 1998-12-01 |
| D400943 | Golf club head | — | 1998-11-10 |
| 5823887 | Iron golf club set | Daisuke Mikame, Masaomi Hiruta, Hirato Shimasaki | 1998-10-20 |
| D399277 | Golf club head | — | 1998-10-06 |
| D398687 | Golf club head | Tetsuya Miyajima | 1998-09-22 |
| 5711722 | Golf club head | Tetsuya Miyajima, Hirato Shimasaki | 1998-01-27 |
| 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 |
| 5386996 | Golf club head | Masaomi Hiruta, Ikuo Aoki, Ryohei Uji, Hirato Shimasaki, Hideyuki Ishii +1 more | 1995-02-07 |
| 4874171 | Golf club set | Yoneji Kobayashi, Katsumi Iida | 1989-10-17 |