Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9937389 | Golf club head with grooves shallower than scorelines and surface film thickness | Tomonori KITAGAWA | 2018-04-10 |
| 9901789 | Golf club head with grooves shallower than scorelines and goove pitch and length | Tomonori KITAGAWA | 2018-02-27 |
| 9901793 | Golf club head | Tomonori KITAGAWA, Kozue Wada | 2018-02-27 |