Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7452288 | Method of manufacturing a golf ball | Jun Yamakawa | 2008-11-18 |
| 7017755 | Large coating lump removing device | Masura Nakamura, Tsuyoshi Yamamoto, Asaaki Nishioka, Shigetoshi Toyooka, Yasufumi Matsuo | 2006-03-28 |