Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641964 | Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor | Hiroshi Ikuno, Hidetoshi Kami, Ryohichi Kitajima, Akihiko Matsuyama, Hiroshi Nagame +8 more | 2003-11-04 |
| 6576388 | Multilayer electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the photoreceptor | Yohta Sakon, Akio Kosuge, Tatsuya Niimi | 2003-06-10 |
| 6562529 | Electrophotographic drum-shaped photoconductor and image forming method and apparatus using the same | Ryuta Takeichi, Akiyo Nakajima, Hiroshi Nagame, Yohta Sakon | 2003-05-13 |
| 6558862 | Electrophotographic photoreceptor and image forming apparatus using the photoreceptor | Ryuta Takeichi, Akiyo Namiki, Hiroshi Nagame, Yohta Sakon | 2003-05-06 |
| 6521386 | Electrophotographic photoreceptor and electrophotographic image forming method and apparatus using the photoreceptor | Yohta Sakon, Minoru Umeda, Masao Yoshikawa, Hiroshi Nagame, Ryuta Takeichi +1 more | 2003-02-18 |