Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D345755 | Electronic musical keyboard | Toshio Igo, Yukihiko Ida | 1994-04-05 |
| D345575 | Electronic musical keyboard | Yukihiko Ida | 1994-03-29 |
KH
Kozo Hisanaga
Overall (All Time): #2,293,341 of 4,157,543Top 60%
2
Patents All Time