Issued Patents All Time
Showing 1–25 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409368 | Golf club head | Seiji Hayase | 2025-09-09 |
| 12161918 | Golf club head | Yohei OZAKI, Seiji Hayase | 2024-12-10 |
| 11679309 | Golf club head | Hiroshi Hasegawa | 2023-06-20 |
| 11577125 | Sensor device-equipped golf shoes | — | 2023-02-14 |
| 11504587 | Golf club head | Hiromasa Tsunashima | 2022-11-22 |
| 11311782 | Golf club head | Yohei OZAKI, Seiji Hayase | 2022-04-26 |
| 11007415 | Golf club having sensor unit | Masahiko Ueda, Kousuke Okazaki, Yuto Nakamura, Yuki Nagano | 2021-05-18 |
| 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 |
| 10456621 | Impact point estimation apparatus | — | 2019-10-29 |
| 10420987 | Golf club head and method for predicting carry distance performance thereof | Wataru Kimizuka | 2019-09-24 |
| 10369426 | Golf club | Hiroshi Hasegawa, Naruhiro MIZUTANI, Yuki MOTOKAWA | 2019-08-06 |
| 10328318 | Golf club | Hiroshi Hasegawa, Naruhiro MIZUTANI, Yuki MOTOKAWA | 2019-06-25 |
| 10286265 | Golf club head | Hiromasa Tsunashima, Naruhiro MIZUTANI, Hiroshi Hasegawa | 2019-05-14 |
| 10279223 | Golf club | Yuki MOTOKAWA, Naruhiro MIZUTANI | 2019-05-07 |
| 10207159 | Golf club | Yuki MOTOKAWA, Naruhiro MIZUTANI | 2019-02-19 |
| 10201740 | Golf club weight pattern determination apparatus and recommendation apparatus | Masaru Kono | 2019-02-12 |
| 10010761 | Process for designing rugged pattern on golf ball surface | Hyoungchol Kim, Takahiro Sajima, Kohei MIMURA | 2018-07-03 |
| 9895581 | Golf club head | — | 2018-02-20 |
| 9814943 | Golf club | Yuki MOTOKAWA, Naruhiro MIZUTANI | 2017-11-14 |