Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454668 | Golf ball | Atsuki Kasashima, Keisuke Ihara | 2002-09-24 |
| 6435988 | Golf ball and method of evaluating golf ball | Keisuke Ihara, Atsuki Kasashima | 2002-08-20 |
| 6368238 | Dimpled golf ball | Atsuki Kasashima, Keisuke Ihara | 2002-04-09 |