Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605967 | Golf ball | Yasushi Ichikawa, Hideo Watanabe | 1997-02-25 |
| 5605968 | Golf ball | Hisashi Yamagishi, Hideo Watanabe, Jun Shindo | 1997-02-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605967 | Golf ball | Yasushi Ichikawa, Hideo Watanabe | 1997-02-25 |
| 5605968 | Golf ball | Hisashi Yamagishi, Hideo Watanabe, Jun Shindo | 1997-02-25 |