Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345294 | Process cartridge and image forming apparatus using same | Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe, Kazuhiko Ishiwata, Makoto Tanaka +2 more | 1994-09-06 |
| 5331373 | Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge | Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Kazuo Shishido, Minoru Sato +2 more | 1994-07-19 |
| 5294960 | Detachable two-frame process cartridge for an image forming apparatus | Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Kazushi Watanabe, Hiroyuki Shirai +1 more | 1994-03-15 |
| 5283619 | Developing apparatus and process cartridge having same | Hironobu Isobe, Kazuo Shishido, Kouji Miura | 1994-02-01 |