Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5011401 | Elastic rotatable member and fixing apparatus | Masaaki Sakurai, Iichiro Yamamoto, Masahiro Goto, Michio Shigenobu | 1991-04-30 |
| 4910559 | Elastic rotatable member and fixing device using same | Masahiro Goto, Isamu Sakane | 1990-03-20 |
| 4897734 | Image processing apparatus | Yasushi Sato, Yoshiyuki Suzuki | 1990-01-30 |
| 4883715 | Elastic rotatable member | Masahiro Goto, Isamu Sakane | 1989-11-28 |
| 4842944 | Elastic rotatable member | Masahiro Goto, Isamu Sakane | 1989-06-27 |
| 4814886 | Image processing process and apparatus therefor | Takahiro Inoue, Yasushi Sato, Akio Suzuki, Yoshihiro Murasawa, Hiroshi Sasame +1 more | 1989-03-21 |
| 4804576 | Elastic rotatable member | Masahiro Goto, Isamu Sakane | 1989-02-14 |
| 4482240 | Electrophotographic process utilizing electrostatic separation and apparatus therefor | Koichi Tanigawa, Hiroyuki Adachi | 1984-11-13 |
| 4456825 | Method of and device for charging by corona discharge | Koichi Tanigawa, Tsuyoshi Watanabe | 1984-06-26 |
| 4441417 | Pressure fixing device | Masahiro Katayama, Nobutoshi Yoshida | 1984-04-10 |
| 4373469 | Apparatus for developing electrostatic latent images | Toru Matsumoto, Tsuyoshi Watanabe, Yasuyuki Tamura | 1983-02-15 |
| 4370049 | Image developing device | Koichi Tanigawa, Hiroyuki Adachi | 1983-01-25 |
| 4359963 | Fixing device | Takashi Saito, Michio Shigenobu, Masaaki Sakurai, Hiroyuki Adachi | 1982-11-23 |
| 4346986 | Image formation method and apparatus | Yasuyuki Tamura, Koichi Tanigawa | 1982-08-31 |
| RE30924 | Cleaning apparatus for electrophotography | Hajime Katayama, Syusei Tsukada, Tadayuki Kitajima | 1982-05-11 |
| 4291505 | Process for producing negative-crowned roller | Shinnosuke Taniishi | 1981-09-29 |
| 4237592 | Elastic roller for image forming apparatus | Tsuyoshi Watanabe, Toru Matsumoto | 1980-12-09 |
| 4185129 | Method for developing electrostatic latent images and removal of excess developer | Toru Matsumoto, Tsuyoshi Watanabe, Yasuyuki Tamura | 1980-01-22 |