Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702312 | Solid golf ball | Seiichiro Endo, Keiji Moriyama, Masatoshi Yokota | 1997-12-30 |
| 5656695 | Golf ball | Seiichiro Endo | 1997-08-12 |
| 5645496 | Two-piece golf ball | Seiichiro Endo | 1997-07-08 |
| 5625003 | Golf ball | Akira Kato, Akihiko Hamada | 1997-04-29 |
| 5607366 | Two-piece golf ball | Masatoshi Yokota, Hidenori Hiraoka, Mikio Yamada | 1997-03-04 |