Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8142300 | Analysis method of golf club | Takuzo Iwatsubo, Keiji Moriyama, Masahide Onuki | 2012-03-27 |
| 7621035 | Golf club head | — | 2009-11-24 |
| 7371187 | Golf putter and method of designing the same | Keiji Moriyama | 2008-05-13 |
| 7097572 | Golf club head | — | 2006-08-29 |
| 7051416 | Golf club head and method of making the same | — | 2006-05-30 |
| 6991559 | Golf club head | — | 2006-01-31 |
| 6989506 | Method of making golf club head | — | 2006-01-24 |
| 6932719 | Golf club head and golf club | — | 2005-08-23 |
| 6875126 | Golf club head | — | 2005-04-05 |
| 6852038 | Golf club head and method of making the same | — | 2005-02-08 |
| 6645087 | Golf club head | — | 2003-11-11 |