Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534979 | Image forming apparatus | — | 1996-07-09 |
| 5241346 | Image forming apparatus with an image scanning apparatus and an automatic document feeder | Noriyuki Nomura | 1993-08-31 |
| 5192975 | Image forming apparatus with an image scanning apparatus and an automatic document feeder | Noriyuki Nomura | 1993-03-09 |
| 5153646 | Image forming apparatus with removable developing means | Yasuo Abuyama, Osamu Hamanaka, Takeshi Sanbayashi | 1992-10-06 |
| 5065184 | Light amount control apparatus | Akiro Iimori, Hiroshi Matsumoto | 1991-11-12 |
| 4956673 | Image forming apparatus with easily removable developing units | Yasuo Abuyama, Osamu Hamanaka, Takeshi Sanbayashi | 1990-09-11 |
| 4931837 | Removable developing unit for an electrostatic copier and locking device therefor | Yasuo Abuyama, Osamu Hamanaka, Takeshi Sanbayashi | 1990-06-05 |
| 4857954 | Image forming apparatus | Yasuo Abuyama, Osamu Hamanaka, Takeshi Sanbayashi | 1989-08-15 |
| 4835572 | Image forming apparatus enabling reversible selection of a default mode of operation | — | 1989-05-30 |
| 4814823 | Image forming apparatus | Yasuo Abuyama, Osamu Hamanaka, Takeshi Sanbayashi | 1989-03-21 |
| 4790524 | Sheet supplying apparatus | Reiji Murakami, Shinichi Hashimoto, Mamoru Shimino | 1988-12-13 |
| 4739983 | Document feeders used with image forming apparatus | Yoshimi Miura, Tetsushu Kuwahara | 1988-04-26 |
| 4682769 | Sheet supplying apparatus | Reiji Murakami, Shinichi Hashimoto, Mamoru Shimono | 1987-07-28 |
| 4679927 | Image forming apparatus | Toshiyuki Sogo | 1987-07-14 |
| 4657376 | Image forming apparatus in which an image forming unit and a document feeding unit are alternately operated | — | 1987-04-14 |
| 4639114 | Image-forming apparatus with automatic and manual paper feed modes | Hidenori Mochizuki | 1987-01-27 |
| 4619514 | Monochromatic photocopying apparatus and method including color selection | — | 1986-10-28 |
| 4610446 | Sheet material transporting apparatus | — | 1986-09-09 |
| 4607945 | Image forming apparatus | Toshiyuki Sogo, Kouzou Matsuyama, Shinichi Hashimoto | 1986-08-26 |
| 4601568 | Document-scanning control apparatus for image-forming apparatus | Shoji Takano | 1986-07-22 |
| 4596456 | Copying apparatus with a movably mounted original table | — | 1986-06-24 |
| 4586813 | Image forming apparatus | — | 1986-05-06 |
| 4579443 | Image-forming apparatus | Yasuo Abuyama | 1986-04-01 |