Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662740 | Electrophotographic device | Hisashi Sakamaki, Hiroyuki Hattori, Toshihide Iida, Koichi Miyamoto, Kazumi Umezawa | 1987-05-05 |
| 4437757 | Image forming apparatus with cleaning means | Hisashi Sakamaki, Hiroyuki Hattori, Toshihide Iida, Koichi Miyamoto, Kazumi Umezawa | 1984-03-20 |
| 4421402 | Electrophotographic device | Hisashi Sakamaki, Hiroyuki Hattori, Toshihide Iida, Koichi Miyamoto, Kazumi Umezawa | 1983-12-20 |
| 4411514 | Variable magnification electrophotographic copying apparatus | Hiroshi Ogawa | 1983-10-25 |
| 4395118 | Copying apparatus | Masaru Yamaguchi | 1983-07-26 |
| 4330199 | Electrophotographic device | Hisashi Sakamaki, Hiroyuki Hattori, Toshihide Iida, Koichi Miyamoto, Kazumi Umezawa | 1982-05-18 |
| 4319828 | Copying apparatus with a heated photosensitive drum | Hisashi Sakamaki, Hiroyuki Hattori, Toshihide Iida, Koichi Miyamoto, Kazumi Umezawa | 1982-03-16 |
| 4270857 | Copying apparatus for sheet originals and thicker originals | Hisashi Sakamaki, Hiroyuki Hattori, Toshihide Iida, Koichi Miyamoto, Kazumi Umezawa | 1981-06-02 |
| 4256400 | Copying machine provided with means for selectively setting original base line | Hajime Katayama | 1981-03-17 |
| 4247192 | Copying machine | Hiroshi Ogawa | 1981-01-27 |
| 4222659 | Copying apparatus for sheet originals and thicker originals | Hisashi Sakamaki, Hiroyuki Hattori, Toshihide Iida, Koichi Miyamoto, Kazumi Umezawa | 1980-09-16 |
| 4215588 | Control device for an intermittently movable driver member | Hiroyuki Hattori, Tsuneki Inuzuka, Koichi Miyamoto | 1980-08-05 |
| 4190464 | Method for cleaning a photoconductive surface with liquid toner | Hisashi Sakamaki, Hiroyuki Hattori, Toshihide Iida, Koichi Miyamoto, Kazumi Umezawa | 1980-02-26 |
| 4185909 | Cleaning method and device for electrophotographic machine | Hisashi Sakamaki, Hiroyuki Hattori, Toshihide Iida, Koichi Miyamoto, Kazumi Umezawa | 1980-01-29 |