Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478695 | Golf ball and method of manufacture | Keisuke Ihara | 2002-11-12 |
| 6458307 | Method of manufacturing a golf ball | Keisuke Ihara, Hirotaka Shimosaka, Yutaka Masutani, Atsuki Kasashima | 2002-10-01 |
| 6346053 | Golf ball | Keisuke Ihara | 2002-02-12 |
| 6336871 | Spherical body and method of manufacture | Keisuke Ihara, Tamotu Kato | 2002-01-08 |