Issued Patents 2020
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870041 | Golf club head with deformation portion | Hiromasa Tsunashima | 2020-12-22 |
| 10806975 | Golf club | Yuki MOTOKAWA, Naruhiro MIZUTANI | 2020-10-20 |
| 10806979 | Fitting method of golf club | Wataru Kimizuka | 2020-10-20 |
| 10744378 | Golf club head | Hiroshi Hasegawa, Hiromasa Tsunashima | 2020-08-18 |
| 10661136 | Golf club head | — | 2020-05-26 |
| 10561901 | Method of evaluating stability of golf swing | Wataru Kimizuka, Hiroshi Hasegawa | 2020-02-18 |
| 10537769 | Golf club head | Hiroshi Hasegawa, Hiromasa Tsunashima | 2020-01-21 |