Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472992 | Electronic musical instrument | Takeshi Ogura, Kimimaro Tamura | 1984-09-25 |
| 4466326 | Electronic musical instrument | Takeshi Ogura, Kimimaro Tamura | 1984-08-21 |
YO
Yoshikazu Okuma
Overall (All Time): #2,359,288 of 4,157,543Top 60%
2
Patents All Time