Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854209 | Electronic musical instrument with key scaling using multiple set points | Kenichi Tsutsumi, Youji Kaneko, Takashi Akutsu, Naofumi Tateishi | 1989-08-08 |
AM
Akinori Matsubara
Overall (1989): #134,620 of 140,708Top 100%
1
Patents 1989