Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173358 | Iron golf club head | Kazuhiro Hayashi | 2021-11-16 |
| 11167182 | Golf club head | — | 2021-11-09 |
| 10881923 | Iron type golf club head and iron type golf club set | — | 2021-01-05 |
| 10765921 | Iron golf club head | Kazuhiro Hayashi | 2020-09-08 |
| 10758791 | Iron-type golf club head | — | 2020-09-01 |
| 10688353 | Iron-type golf club head | — | 2020-06-23 |
| 10293224 | Iron golf club head | Kazuhiro Hayashi | 2019-05-21 |
| 10173107 | Golf club head | Daisuke KOHNO | 2019-01-08 |
| 10029157 | Golf club head | Yasushi Sugimoto, Daisuke KOHNO | 2018-07-24 |
| 9975016 | Golf club head | Takashi Nakamura, Naruhiro MIZUTANI, Daisuke KOHNO | 2018-05-22 |
| 9555299 | Iron-type golf club head | Takashi Nakamura | 2017-01-31 |