Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840100 | Tone signal generation device for an electric musical instrument | Kazuo Masaki | 1989-06-20 |
TA
Takeshi Adachi
Overall (1989): #53,928 of 140,708Top 40%
1
Patents 1989