Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647230 | Image-forming apparatus for use with negatively-charged toner and featuring a negatively-chargeable image-bearing member, and process cartridge using same | Tetsuya Kobayashi, Tsuyoshi Nakagawa, Shinji Uehara | 2003-11-11 |
| 6643484 | Image forming apparatus including image bearing member rotatable at different peripheral velocities | Katsuhiro Kojima, Tetsuya Kobayashi | 2003-11-04 |
| 6600887 | Image forming apparatus featuring a slide friction sheet for dispersing contamination from a charged rotary member | Norio Takami, Kazunori Kobayashi | 2003-07-29 |
| 6594462 | Developing apparatus using toner with conductive particles | Tomomi Kakeshita | 2003-07-15 |
| 6577823 | Method of detecting life of image bearing member, image forming apparatus and cartridge | Minoru Matsuguma | 2003-06-10 |
| 6574444 | Developing apparatus wherein seal-inflicted damage to an end edge of a developing roller is prevented | Shinji Uehara, Tetsuya Kobayashi, Tsuyoshi Nakagawa | 2003-06-03 |
| 6542710 | Developing apparatus for preventing developer from attaching to developer electrifying member | Tomomi Kakeshita, Shinji Uehara | 2003-04-01 |
| 6529699 | Image forming apparatus and process cartridge detachably attachable to image forming apparatus comprising an image bearing body, and a developer carrying body | Tetsuya Kobayashi, Tsuyoshi Nakagawa, Shinji Uehara | 2003-03-04 |
| 6522842 | Developing apparatus and image forming apparatus | Shinji Uehara, Tomomi Kakeshita | 2003-02-18 |