Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858510 | Resonant musical instruments | Isao Shimoda, Mitsugu Yaguchi | 1989-08-22 |
JF
Junji Fujii
Overall (1989): #91,840 of 140,708Top 70%
1
Patents 1989