Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33739 | Electronic musical instrument | Susumu Takashima, Kazuyuki Kurosawa | 1991-11-12 |
| 4633748 | Electronic musical instrument | Susumu Takashima, Kazuyuki Kurosawa | 1987-01-06 |