Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646021 | Golf ball printing ink, golf ball bearing a mark printed with the ink, and method of manufacturing the golf ball | Hiroaki Tanaka | 2003-11-11 |
| 6641771 | Method for manufacturing golf ball | Hideki Sano, Hiroaki Tanaka | 2003-11-04 |