Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659889 | Golf ball | Atsuki Kasashima, Junji Umezawa, Hideo Watanabe | 2003-12-09 |
| 6652392 | Multi-piece solid golf ball | Hiroshi Higuchi, Atsuki Kasashima, Junji Umezawa | 2003-11-25 |
| 6592470 | Solid multi-piece golf ball | Hideo Watanabe, Junji Umezawa | 2003-07-15 |
| 6558274 | Solid golf ball | — | 2003-05-06 |
| 6547679 | Golf ball | Atsuki Kasashima, Hideo Watanabe, Junji Umezawa | 2003-04-15 |
| 6520873 | Golf ball with spaced parting line | Michio Inoue, Keisuke Ihara, Atuki Kasasima | 2003-02-18 |
| 6508723 | Golf ball | — | 2003-01-21 |