Issued Patents All Time
Showing 76–79 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022279 | Golf ball | Hisashi Yamagishi, Yasushi Ichikawa, Shunichi Kashiwagi, Akira Kawata | 2000-02-08 |
| 5977264 | Golf ball | Yasushi Ichikawa, Shunichi Kashiwagi | 1999-11-02 |
| 5935021 | Golf ball | Shunichi Kashiwagi, Yasushi Ichikawa | 1999-08-10 |
| 5902192 | Golf ball | Shunichi Kashiwagi, Yasushi Ichikawa | 1999-05-11 |