Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390938 | Golf ball | Kaname Yamada | 2002-05-21 |
| 6358031 | Golf ball-shaping mold and cavity die | Masaaki Kikuchi, Haruki Shinagawa, Hiroaki Tanaka | 2002-03-19 |
| 6336872 | Multi-piece solid golf ball | Keiji Moriyama, Takashi Sasaki, Satoshi Iwami | 2002-01-08 |