Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883735 | Negatively chargeable toner for use in dry electrophotography | Hiroshi Nagase | 1989-11-28 |
| 4884227 | Speed detecting apparatus for a vehicle | — | 1989-11-28 |
| 4800929 | Webbing for safety belt | — | 1989-01-31 |