Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479742 | Audio system in electronic musical instrument | Katsuhiko Torii | 2002-11-12 |
| 4888269 | Resin composition for solder resist ink | Yoneji Sato, Masato Hoshino, Seiichi Kitazawa | 1989-12-19 |