Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671473 | Developing apparatus provided with seal functions on both sides of developing roller | — | 2003-12-30 |
| 6603939 | Developing apparatus, process cartridge, connecting method between developing frame and developer frame, and flexible seal | Shinjiro Toba, Tadayuki Tsuda, Hiroaki Sakai | 2003-08-05 |
| 6549736 | Process cartridge, engaging member therefor and method for mounting developing roller and magnet | Hiroomi Matsuzaki, Akira Suzuki, Shinjiro Toba | 2003-04-15 |
| 6542706 | Process cartridge and electrophotographic image forming apparatus | Shinjiro Toba, Tadayuki Tsuda, Shinichi Sasaki | 2003-04-01 |
| 6519431 | Process cartridge, assembling method therefor and electrophotographic image forming apparatus | Shinjiro Toba, Tadayuki Tsuda | 2003-02-11 |