Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10960272 | Golf club and golf club heads | Hiroshi Kawaguchi | 2021-03-30 |
| 9022880 | Golf clubs and golf club heads | Hiroshi Kawaguchi | 2015-05-05 |
| 9005046 | Golf club head or other ball striking device with wear indicator | James S. Thomas, Don Rahrig | 2015-04-14 |