Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905799 | Golf club head | Tomio Kumamoto | 2011-03-15 |
| 7862453 | Golf club head | Tomio Kumamoto | 2011-01-04 |
| 7468005 | Golf club head | Tomio Kumamoto | 2008-12-23 |
| 7291074 | Golf club head | Masayuki Kato | 2007-11-06 |
| 7077762 | Golf club head | Masayuki Kato | 2006-07-18 |
| 6997818 | Golf clubhead and method of manufacturing the same | — | 2006-02-14 |
| 6789304 | Golf clubhead and method of manufacturing the same | — | 2004-09-14 |
| 6719645 | Golf club head | — | 2004-04-13 |