Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849709 | Variable frequency characteristic circuit for a vehicular sound device | Akira Kanagawa | 1989-07-18 |
| 4810121 | Character erasable printing apparatus | Hideo Uneo, Shigeto Yamada | 1989-03-07 |
| 4804284 | Relocating control system for a printing apparatus | Satoshi Shibata | 1989-02-14 |