Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11207574 | Golf club head | Seiji Hayase | 2021-12-28 |
| 10967230 | Mixed material golf club head | — | 2021-04-06 |
| 10912969 | Golf club head | Kiyofumi Matsunaga, Yasushi Sugimoto | 2021-02-09 |
| 10898770 | Golf club head | Kiyofumi Matsunaga, Yasushi Sugimoto | 2021-01-26 |