Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786401 | Passing examination system & passing examination method | Katsumi Kimoto, Atsushi Murakami | 2004-09-07 |
| 5510908 | Image reading device for removing the background of a scanned original document | Yoshio Watanabe | 1996-04-23 |
| 5153646 | Image forming apparatus with removable developing means | Fumito Ide, Osamu Hamanaka, Takeshi Sanbayashi | 1992-10-06 |
| 5144452 | Image forming apparatus in which is calculated the number of images at a given magnification to duplicate repeatedly on a given size recording medium without interference | — | 1992-09-01 |
| 5127086 | Image forming apparatus | — | 1992-06-30 |
| 5083216 | Image forming apparatus for forming an image according to magnification | — | 1992-01-21 |
| 4956673 | Image forming apparatus with easily removable developing units | Fumito Ide, Osamu Hamanaka, Takeshi Sanbayashi | 1990-09-11 |
| 4931837 | Removable developing unit for an electrostatic copier and locking device therefor | Fumito Ide, Osamu Hamanaka, Takeshi Sanbayashi | 1990-06-05 |
| 4888650 | Image forming apparatus with function of auto error correction for optical system | — | 1989-12-19 |
| 4875092 | Image forming apparatus with positioning-mark forming function | Eiichi Yamanishi, Akihiko Someya | 1989-10-17 |
| 4857954 | Image forming apparatus | Fumito Ide, Osamu Hamanaka, Takeshi Sanbayashi | 1989-08-15 |
| 4831462 | Image forming apparatus with halftone control function | Akihiko Someya | 1989-05-16 |
| 4814823 | Image forming apparatus | Fumito Ide, Osamu Hamanaka, Takeshi Sanbayashi | 1989-03-21 |
| 4743963 | Apparatus for magnifying or reducing a color image in which sequentially-stored RGB data are selectively read out from a memory in accordance with previously-determined read control data | — | 1988-05-10 |
| 4711556 | Copying machine with an interrupt function | — | 1987-12-08 |
| 4678316 | Image forming apparatus adapted to enter an interrupt copying mode and an energy saving mode | — | 1987-07-07 |
| 4674862 | Image-forming apparatus with a document-feeding device | — | 1987-06-23 |
| 4627713 | Copying machine | — | 1986-12-09 |
| 4595189 | Paper feeder apparatus | Toshiyuki Sogo | 1986-06-17 |
| 4579443 | Image-forming apparatus | Fumito Ide | 1986-04-01 |
| 4568173 | Image forming apparatus | — | 1986-02-04 |
| 4557585 | Return speed control system for use in a document scanning apparatus | — | 1985-12-10 |
| 4540274 | Image forming apparatus | — | 1985-09-10 |