Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641771 | Method for manufacturing golf ball | Hiroaki Tanaka, Masaaki Kikuchi | 2003-11-04 |
| 6528003 | Manufacturing apparatus and method for golf ball | Takayuki Saimen, Hiromasa Yamamoto, Hiroaki Tanaka | 2003-03-04 |