Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9421431 | Golf club head | — | 2016-08-23 |
| 8795101 | Golf club head and golf club using the same | — | 2014-08-05 |
| 8647217 | Golf club head | — | 2014-02-11 |
| 7607992 | Golf club head | — | 2009-10-27 |
| 7494426 | Golf club head | Masaya Tsunoda | 2009-02-24 |
| 7442132 | Golf club head | — | 2008-10-28 |
| 7364514 | Golf putter head | Tetsuo Yamaguchi | 2008-04-29 |
| 7270609 | Golf putter head | Tetsuo Yamaguchi | 2007-09-18 |
| 7077761 | Golf club and method of making golf club | — | 2006-07-18 |
| 7070512 | Golf club | — | 2006-07-04 |
| 7022031 | Iron-type golf club head | — | 2006-04-04 |
| 6875130 | Wood-type golf club head | — | 2005-04-05 |
| 6716114 | Wood-type golf club head | — | 2004-04-06 |