Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9216327 | Golf club face | John Morin | 2015-12-22 |
| 8708838 | Hollow golf club with high density weights | Takeshi Casey Funaki, Keisuke Yamane | 2014-04-29 |
| D702784 | Golf club head | Christopher G. Engel, Yu-Jin Song | 2014-04-15 |
| 8617000 | Metal wood golf club head having externally protruding weights | Keisuke Yamane, Ronald K. Hettinger | 2013-12-31 |
| 8608589 | Hollow golf club with high density weights | Keisuke Yamane, Stephanie Bezilla | 2013-12-17 |
| D661750 | Golf club head | Christopher G. Engel, Keisuke Yamane | 2012-06-12 |
| D592259 | Metalwood golf club head | M. Scott Burnett, Jeffrey J. Albertsen, Steven Green | 2009-05-12 |
| D592260 | Offset metalwood golf club head | Steven Green, M. Scott Burnett, Jeffrey J. Albertsen | 2009-05-12 |
| D588220 | Metal wood golf club head | John Ruggiero, Jeffrey J. Albertsen, Michael Scott Burnett | 2009-03-10 |
| D587772 | Metal wood golf club head | John Ruggiero, Jeffrey J. Albertsen, Michael Scott Burnett | 2009-03-03 |
| D550800 | Sole plate for golf club head | John Ruggiero, Clive Roberts, Paul Boe | 2007-09-11 |