Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D650876 | Hybrid-type golf club head | David Llewellyn, Kazuya Ishida, Arata Kamo | 2011-12-20 |
| D641817 | Wood-type golf club head | David Llewellyn, Kazuya Ishida, Kamo Arata | 2011-07-19 |