Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873905 | Automatic player piano | Kazuo Murakami, Takasi Tamaki | 1989-10-17 |
YK
Yasutoshi Kaneko
Overall (1989): #42,122 of 140,708Top 30%
1
Patents 1989