Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853716 | Printer having specially arrayed ink holes | — | 1989-08-01 |
| 4847644 | Image formation device | Takashi Shiraishi | 1989-07-11 |
| 4843424 | Reverse developing image forming apparatus with disturbing means | Haruhiko Ishida | 1989-06-27 |
| 4809032 | Printing apparatus | Yoshitsugu Nakatomi | 1989-02-28 |
| 4806970 | Recording apparatus having an accessible housing | Yoshitsuga Nakatomi, Hidetoshi Aoki | 1989-02-21 |