Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Tomoyuki Shimada, Chiaki Tanaka | 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, Tomoyuki Shimada, Chiaki Tanaka | 2003-04-08 |
| 6524761 | Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the same | Tomoyuki Shimada, Masayuki Shoshi, Kaoru Tadokoro, Chiaki Tanaka | 2003-02-25 |
| 6492079 | Electrophotographic photoconductor, image forming apparatus, and process cartridge using the photoconductor | Tomoyuki Shimada, Kazukiyo Nagai, Chiaki Tanaka, Shinichi Kawamura | 2002-12-10 |
| 6465648 | REACTION PRODUCT, PROCESS OF PRODUCING SAME, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR USING SAME, ELECTROPHOTOGRAPHIC APPARATUS HAVING THE PHOTOCONDUCTOR, AND PROCESS CARTRIDGE FOR ELECTROPHOTOGRAPHIC APPARATUS | Kaoru Tadokoro, Masayuki Shoshi, Tomoyuki Shimada, Chiaki Tanaka | 2002-10-15 |
| 6313288 | Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the same | Tomoyuki Shimada, Masayuki Shoshi, Kaoru Tadokoro, Chiaki Tanaka | 2001-11-06 |
| 6074792 | Tetraazaporphyrin pigment for use in electrophotographic photoconductor and electrophotographic photoconductor using the same | Masayuki Shoshi, Kaoru Tadokoro | 2000-06-13 |
| 6068956 | Electrophotographic photoconductor | Masayuki Shoshi, Kaoru Tadokoro | 2000-05-30 |
| 5942362 | Electrophotographic photoconductor | Kaoru Tadokoro, Masayuki Shoshi | 1999-08-24 |