Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658188 | Method for grinding golf ball surface and golf ball | Yoshikazu Yabuki | 1997-08-19 |
| 5607366 | Two-piece golf ball | Masatoshi Yokota, Kuniyasu Horiuchi, Hidenori Hiraoka | 1997-03-04 |
| 5605512 | Golf ball | Kazushige Sugimoto | 1997-02-25 |
| 5597365 | Liquid center thread wound golf ball | Tadahiro Ebisuno, Keiji Moriyama, Kazushige Sugimoto | 1997-01-28 |