Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D720415 | Iron-type golf club head | Tomoaki Aoki, Kazuhiko Natori | 2014-12-30 |
| D720416 | Iron-type golf club head | David Llewellyn, Kazuhiko Natori | 2014-12-30 |
| D720417 | Iron-type golf club head | David Llewellyn | 2014-12-30 |
| D682959 | Iron-type golf club head | Mamoru Saraie, Isamu Toshinari, Tomo Aoki | 2013-05-21 |
| D682377 | Iron-type golf club head | Chris Voshall | 2013-05-14 |
| D672830 | Iron-type golf club | Chris Voshall, Kazuhiko Natori | 2012-12-18 |
| D664621 | Iron-type golf club | David Llewellyn, Kazuhiku Natori | 2012-07-31 |
| D660389 | Iron-type golf club | Chris Voshall, Mamoru Saraie | 2012-05-22 |
| D620063 | Back design for hybrid golf club heads | David Llewellyn, Yasuyuki Ohta | 2010-07-20 |
| D600765 | Back design for an iron golf club head | David Llewellyn, Isamu Toshinari, Tomoaki Aoki | 2009-09-22 |
| 7517286 | Trial golf club for measuring loft angle and methods for using the same | Masao Nagai, Chris Voshall, Bill Price, David Llewellyn | 2009-04-14 |
| D564611 | Golf club wood head | David Llewellyn, Damon Spencer, Chuck Couch | 2008-03-18 |
| D561285 | Back design for a golf club iron head | David Llewellyn, Damon Spencer, Chuck Couch | 2008-02-05 |