Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458307 | Method of manufacturing a golf ball | Michio Inoue, Keisuke Ihara, Yutaka Masutani, Atsuki Kasashima | 2002-10-01 |
| 6413171 | Golf ball | — | 2002-07-02 |
| 6346054 | Dimpled golf ball | Keisuke Ihara, Atsuki Kasashima | 2002-02-12 |