Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5153646 | Image forming apparatus with removable developing means | Yasuo Abuyama, Fumito Ide, Osamu Hamanaka | 1992-10-06 |
| 4990951 | Image forming apparatus having function for controlling shutter by a pulse | — | 1991-02-05 |
| 4967235 | Image formation apparatus for displaying or recording a pre-selected image area of a film | — | 1990-10-30 |
| 4956673 | Image forming apparatus with easily removable developing units | Yasuo Abuyama, Fumito Ide, Osamu Hamanaka | 1990-09-11 |
| 4931837 | Removable developing unit for an electrostatic copier and locking device therefor | Yasuo Abuyama, Fumito Ide, Osamu Hamanaka | 1990-06-05 |
| 4857954 | Image forming apparatus | Yasuo Abuyama, Fumito Ide, Osamu Hamanaka | 1989-08-15 |
| 4814823 | Image forming apparatus | Yasuo Abuyama, Fumito Ide, Osamu Hamanaka | 1989-03-21 |
| 4573787 | Exposure lamp control for image forming apparatus | Hideshi Oushiden | 1986-03-04 |
| 4551813 | Jam detector | Hiroshi Matsumoto | 1985-11-05 |