Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815352 | Electronic musical instrument | Kinji Kawamoto, Masaru Uya | 1989-03-28 |
MT
Masao Tsukamoto
Overall (1989): #78,314 of 140,708Top 60%
1
Patents 1989