Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849843 | Demagnetizer for a magnetic head of a cassette tape recorder | Motoyoshi Fujita, Akikazu Kunuki, Noboru Uemura, Shunpei Saeki, Toshiharu Kawano | 1989-07-18 |
| 4840183 | Electrocardiograph | Minoru Takahashi | 1989-06-20 |
| 4805633 | Displacement sensor | Minoru Takahashi | 1989-02-21 |