Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8550935 | High moment of inertia wood-type golf clubs and golf club heads | John T. Stites, Gary G. Tavares, Robert Boyd, Hiroshi Kawaguchi | 2013-10-08 |
| 8540590 | Hollow golf club head | Tomonari Funayama, Toshimitsu Oyamatsu | 2013-09-24 |
| 8221260 | High moment of inertia wood-type golf clubs and golf club heads | John T. Stites, Gary G. Tavares, Robert Boyd, Hiroshi Kawaguchi | 2012-07-17 |
| 8133135 | High moment of inertia wood-type golf clubs and golf club heads | John T. Stites, Gary G. Tavares, Robert Boyd, Hiroshi Kawaguchi | 2012-03-13 |