Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4469000 | Solenoid driving apparatus for actuating key of player piano | Yuji Fujiwara, Shigeru Muramatsu, Takamichi Sawase | 1984-09-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4469000 | Solenoid driving apparatus for actuating key of player piano | Yuji Fujiwara, Shigeru Muramatsu, Takamichi Sawase | 1984-09-04 |