Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596449 | Electrophotographic photoreceptor, and process cartridge and electrophotographic image forming apparatus using the electrophotographic photoreceptor | Kazukiyo Nagai, Chiaki Tanaka, Michihiko Namba, Shinichi Kawamura | 2003-07-22 |
| 6548216 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD AND APPARATUS, AND PROCESS CARTRIDGE USING THE PHOTOCONDUCTOR, AND LONG-CHAIN ALKYL GROUP CONTAINING BISPHENOL COMPOUND AND POLYMER MADE THEREFROM | Shinichi Kawamura, Kazukiyo Nagai, Chiaki Tanaka, Michihiko Namba | 2003-04-15 |
| 6544701 | REACTION PRODUCT, PROCESS FOR THE PRODUCTION THEREOF, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR USING THE REACTION PRODUCT, ELECTROPHOTOGRAPHIC APPARATUS USING THE PHOTOCONDUCTOR, AND PROCESS CARTRIDGE FOR ELECTROPHOTOGRAPHIC APPARATUS | Kaoru Tadokoro, Masayuki Shoshi, Michihiko Namba, Chiaki Tanaka | 2003-04-08 |
| 6524761 | Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the same | Masayuki Shoshi, Kaoru Tadokoro, Chiaki Tanaka, Michihiko Namba | 2003-02-25 |