Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D736872 | Iron-type golf club head | David Llewellyn, Kazuhiro Doi | 2015-08-18 |
| D736873 | Iron-type golf club head | Chris Voshall, Kazuhiro Doi | 2015-08-18 |
| D720027 | Iron-type golf club head | Chris Voshall, Kazuhiro Doi | 2014-12-23 |
| D669948 | Wood-type golf club | — | 2012-10-30 |
| D669949 | Hybrid-type golf club | — | 2012-10-30 |
| D669546 | Wood-type golf club | David Llewellyn | 2012-10-23 |
| D659780 | Iron-type golf club | David Llewellyn | 2012-05-15 |
| D650878 | Iron-type golf club head | David Llewellyn, Kazuhiro Doi | 2011-12-20 |
| D645103 | Iron-type golf club | David Llewellyn, Kazuhiro Doi | 2011-09-13 |
| D641444 | Iron-type golf club head | David Llewellyn, Kazuhiro Doi | 2011-07-12 |
| D629061 | Iron-type golf club | David Llewellyn, Chris Voshall, Kazuhiro Doi | 2010-12-14 |