Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849843 | Demagnetizer for a magnetic head of a cassette tape recorder | Motoyoshi Fujita, Akikazu Kunuki, Noboru Uemura, Tsutomu Kotani, Shunpei Saeki | 1989-07-18 |
TK
Toshiharu Kawano
Overall (1989): #48,821 of 140,708Top 35%
1
Patents 1989