Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870463 | Latent electrostatic image developing device and toner cartridge | Yoshitake Miyoshi | 1989-09-26 |
| 4861013 | Mechanism for preventing the feeding of more than one sheet of paper at one time | Kiyoshi Morimoto | 1989-08-29 |
| 4815724 | Sheet feeding mechanism | Yasuji Sumida, Hiroshi Kajita, Koji Ujino, Atsushi Kano, Takashi Maekawa | 1989-03-28 |