Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6608127 | Golf ball | Akira Kato, Masatoshi Yokota, Satoshi Iwami | 2003-08-19 |
| 6575850 | Golf ball | Satoshi Iwami, Akira Kato, Masatoshi Yokota | 2003-06-10 |
| 6561923 | Colored golf ball | Keiji Ohama | 2003-05-13 |
| 6525124 | Golf ball | Kazushige Sugimoto, Tsutomu Hirau, Yoshimasa Koizumi | 2003-02-25 |