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, Hidenori Hiraoka, Satoshi Iwami, Masatoshi Yokota | 1997-12-16 |
| 5605512 | Golf ball | Mikio Yamada | 1997-02-25 |
| 5597365 | Liquid center thread wound golf ball | Mikio Yamada, Tadahiro Ebisuno, Keiji Moriyama | 1997-01-28 |