Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7071285 | Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatus | Shinichi Kawamura, Masaomi Sasaki, Kazukiyo Nagai, Susumu Suzuka, Katsuhiro Morooka | 2006-07-04 |
| 6919419 | AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATION OF THE POLYCARBONATE RESIN, ELECTRO-PHOTOGRAPHIC PHOTOCONDUCTOR, ELECTRO-PHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS, AND PROCESS CARTRIDGE | Masaomi Sasaki, Kazukiyo Nagai, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka | 2005-07-19 |
| 6790571 | Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatus | Shinichi Kawamura, Masaomi Sasaki, Kazukiyo Nagai, Susumu Suzuka, Katsuhiro Morooka | 2004-09-14 |
| 6664361 | Diphenol compound, aromatic polycarbonate and electrophotoconductive photoconductor | Masaomi Sasaki, Shinichi Kawamura, Kazukiyo Nagai, Katsuhiro Morooka, Susumu Suzuka | 2003-12-16 |
| 6576386 | AROMATIC BLOCK POLYCARBONATE RESIN, DIPHENOL COMPOUND FOR PREPARATION OF THE POLYCARBONATE RESIN, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS, AND PROCESS CARTRIDGE | Masaomi Sasaki, Kazukiyo Nagai, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka | 2003-06-10 |
| 6486293 | Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor | Masaomi Sasaki, Kazukiyo Nagai, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka | 2002-11-26 |
| 6444387 | Image bearing material, electrophotographic photoreceptor using the image bearing material, and image forming apparatus using the photoreceptor | Masaomi Sasaki, Kazukiyo Nagai, Shinichi Kawamura | 2002-09-03 |
| 6303736 | Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductor | Shinichi Kawamura, Masaomi Sasaki, Kazukiyo Nagai, Chiaki Tanaka, Susumu Suzuka +1 more | 2001-10-16 |
| 6210848 | Electrophotographic photoconductor, and process cartridge and image forming apparatus using the same | Kazukiyo Nagai, Tetsuro Suzuki, Masaomi Sasaki, Shinichi Kawamura | 2001-04-03 |
| 6187494 | Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductor | Shinichi Kawamura, Masaomi Sasaki, Kazukiyo Nagai, Chiaki Tanaka, Susumu Suzuka +1 more | 2001-02-13 |
| 6187492 | Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor | Masaomi Sasaki, Kazukiyo Nagai, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka | 2001-02-13 |