Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939651 | Electrophotographic photoconductor, and process cartridge and electrophotographic apparatus using the same | Hongguo Li, Kazukiyo Nagai, Masaomi Sasaki, Shinichi Kawamura, Yasuo Suzuki +1 more | 2005-09-06 |
| 6936388 | Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same | Tetsuro Suzuki, Kazukiyo Nagai, Eiji Kurimoto, Hidetoshi Kami | 2005-08-30 |
| 6899983 | Electrophotographic photoconductor, electrophotographic apparatus and process cartridge | Yasuo Suzuki, Kazukiyo Nagai, Hongguo Li | 2005-05-31 |
| 6861188 | Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the photoreceptor | Takaaki Ikegami, Yasuo Suzuki, Tomoyuki Shimada, Hidetoshi Kami | 2005-03-01 |
| 6858362 | Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor | Tetsuro Suzuki, Hiroshi Tamura, Tatsuya Niimi, Akihiko Matsuyama, Eiji Kurimoto +1 more | 2005-02-22 |
| 6844124 | Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor | Hiroshi Ikuno, Hidetoshi Kami, Ryohichi Kitajima, Narihito Kojima, Akihiko Matsuyama +8 more | 2005-01-18 |
| 6800410 | Image forming apparatus | Kei Yasutomi, Yasuo Suzuki | 2004-10-05 |
| 6790572 | Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor | Tetsuro Suzuki, Hiroshi Tamura, Tatsuya Niimi, Akihiko Matsuyama, Eiji Kurimoto +1 more | 2004-09-14 |
| 6653033 | Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same | Hidetoshi Kami, Tatsuya Niimi, Akihiko Matuyama, Eiji Kurimoto | 2003-11-25 |
| 6641964 | Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor | Hiroshi Ikuno, Hidetoshi Kami, Ryohichi Kitajima, Narihito Kojima, Akihiko Matsuyama +8 more | 2003-11-04 |
| 6573016 | Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same | Hidetoshi Kami, Tatsuya Niimi, Akihiko Matuyama, Eiji Kurimoto | 2003-06-03 |
| 6191249 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chiaki Tanaka, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Chihaya Adachi +3 more | 2001-02-20 |
| 6069224 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka +4 more | 2000-05-30 |
| 6030736 | Electrophotographic photoconductor with polysiloxane mixture | Takaaki Ikegami, Yasuo Suzuki, Hiroshi Nakai, Koji Kishida | 2000-02-29 |
| 6018014 | Aromatic polycarbonate and electrophotographic photosensitive medium using same | Kazukiyo Nagai, Masaomi Sasaki, Hiroshi Tamura, Tetsuro Suzuki, Tomoyuki Shimada +6 more | 2000-01-25 |
| 5942363 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chiaki Tanaka, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Chihaya Adachi +3 more | 1999-08-24 |
| 5932362 | Organic electroluminescent element | Kazukiyo Nagai, Chihaya Adachi, Yohta Sakon | 1999-08-03 |
| 5910561 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka +4 more | 1999-06-08 |
| 5846680 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka +4 more | 1998-12-08 |
| 5840454 | Aromatic polycarbonate and electrophotographic photosensitive medium using same | Kazukiyo Nagai, Masaomi Sasaki, Hiroshi Tamura, Tetsuro Suzuki, Tomoyuki Shimada +6 more | 1998-11-24 |
| 5789128 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka +4 more | 1998-08-04 |
| 5723243 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Masaomi Sasaki, Hiroshi Tamura, Tomoyuki Shimada, Tetsuro Suzuki, Chiaki Tanaka +6 more | 1998-03-03 |
| 5709959 | Organic thin film electroluminescence device | Chihaya Adachi, Kazukiyo Nagai | 1998-01-20 |
| 5702833 | Organic electroluminescent element | Kazukiyo Nagai, Chihaya Adachi, Yohta Sakon | 1997-12-30 |