Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697856 | Solid golf ball and process for producing the same | Keiji Moriyama, Kazushige Sugimoto, Satoshi Iwami, Masatoshi Yokota | 1997-12-16 |
| 5607366 | Two-piece golf ball | Masatoshi Yokota, Kuniyasu Horiuchi, Mikio Yamada | 1997-03-04 |
| 5601502 | Three-piece solid golf ball | Yoshimasa Koizumi | 1997-02-11 |