Issued Patents All Time
Showing 26–50 of 163 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271356 | Electrophotographic photoconductor, azo compounds for use in the same, and intermediates for producing the azo compounds | Tomoyuki Shimada, Chiaki Tanaka | 2001-08-07 |
| 6210848 | Electrophotographic photoconductor, and process cartridge and image forming apparatus using the same | Kazukiyo Nagai, Tetsuro Suzuki, Kohkoku Ri, Shinichi Kawamura | 2001-04-03 |
| 6194535 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Katsukiyo Nagai, Chiaki Tanaka, Shinichi Kawamura, Tetsuro Suzuki +2 more | 2001-02-27 |
| 6191249 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chiaki Tanaka, Nozomu Tamoto, Kazukiyo Nagai, Tomoyuki Shimada, Chihaya Adachi +3 more | 2001-02-20 |
| 6187494 | Electrophotographic photoconductor and aromatic polycarbonate resin for use in the photoconductor | Shinichi Kawamura, Kazukiyo Nagai, Chiaki Tanaka, Kohkoku Ri, Susumu Suzuka +1 more | 2001-02-13 |
| 6187492 | Electrophotographic photoconductor and method of producing aromatic polycarbonate resin for use in the photoconductor | Kohkoku Ri, Kazukiyo Nagai, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka | 2001-02-13 |
| 6184362 | Electrophotographic photoconductor, azo compounds for use in the same, and intermediates for producing the azo compounds | Tomoyuki Shimada, Chiaki Tanaka | 2001-02-06 |
| 6172176 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chiaki Tanaka, Katsukiyo Nagai, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka | 2001-01-09 |
| 6130310 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Katsukiyo Nagai, Chiaki Tanaka, Shinichi Kawamura, Susumu Suzuka +1 more | 2000-10-10 |
| 6103435 | Electrophotographic photoconductor, AZO compounds for use in the same, and intermediates for producing the AZO compounds | Tomoyuki Shimada, Chiaki Tanaka | 2000-08-15 |
| 6093784 | Electrophotographic photoconductor and polycarbonate resin for use therein | Hiroshi Tamura, Tomoyuki Shimada, Tsutomu Nakajima, Toshimasa Tokuda | 2000-07-25 |
| 6069224 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka, Nozomu Tamoto +4 more | 2000-05-30 |
| 6066757 | Stilbene compound and process for producing same | Chiaki Tanaka, Tomoyuki Shimada | 2000-05-23 |
| 6066428 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Katsukiyo Nagai, Chiaki Tanaka, Shinichi Kawamura, Tetsuro Suzuki +2 more | 2000-05-23 |
| 6045959 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Katsukiyo Nagai, Chiaki Tanaka, Shinichi Kawamura, Susumu Suzuka +1 more | 2000-04-04 |
| 6027846 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Tomoyuki Shimada, Masafumi Ohta, Akihiro Imai, Mitsutoshi Anzai, Tamotsu Aruga +2 more | 2000-02-22 |
| 6018014 | Aromatic polycarbonate and electrophotographic photosensitive medium using same | Kazukiyo Nagai, Hiroshi Tamura, Tetsuro Suzuki, Tomoyuki Shimada, Chihaya Adachi +6 more | 2000-01-25 |
| 5981124 | Electrophotographic photoconductor, azo compounds for use in the same, and intermediates for producing the azo compounds | Tomoyuki Shimada, Chiaki Tanaka | 1999-11-09 |
| 5976746 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chiaki Tanaka, Katsukiyo Nagai, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka | 1999-11-02 |
| 5942363 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chiaki Tanaka, Nozomu Tamoto, Kazukiyo Nagai, Tomoyuki Shimada, Chihaya Adachi +3 more | 1999-08-24 |
| 5910561 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka, Nozomu Tamoto +4 more | 1999-06-08 |
| 5863683 | Electrophotographic photoconductor containing charge generating azo pigment subjected to a salt-milling process | Katsuichi Ohta, Tamotsu Aruga | 1999-01-26 |
| 5846680 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Kazukiyo Nagai, Tomoyuki Shimada, Chiaki Tanaka, Nozomu Tamoto +4 more | 1998-12-08 |
| 5840454 | Aromatic polycarbonate and electrophotographic photosensitive medium using same | Kazukiyo Nagai, Hiroshi Tamura, Tetsuro Suzuki, Tomoyuki Shimada, Chihaya Adachi +6 more | 1998-11-24 |
| 5830980 | Electrophotographic photoconductor, aromatic polycarbonate resin for use in the same, and method of producing the aromatic polycarbonate resin | Mitsutoshi Anzai, Akihiro Imai, Hiroshi Tamura, Tomoyuki Shimada, Tetsuro Suzuki +1 more | 1998-11-03 |