Issued Patents All Time
Showing 76–100 of 129 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, Masaomi Sasaki | 2001-08-07 |
| 6194535 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, Shinichi Kawamura, Tetsuro Suzuki +2 more | 2001-02-27 |
| 6191249 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Nozomu Tamoto, Masaomi Sasaki, 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, Masaomi Sasaki, Kazukiyo Nagai, Kohkoku Ri, Susumu Suzuka +1 more | 2001-02-13 |
| 6184362 | Electrophotographic photoconductor, azo compounds for use in the same, and intermediates for producing the azo compounds | Tomoyuki Shimada, Masaomi Sasaki | 2001-02-06 |
| 6172176 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Masaomi Sasaki, Katsukiyo Nagai, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka | 2001-01-09 |
| 6130310 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, 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, Masaomi Sasaki | 2000-08-15 |
| 6069224 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Nozomu Tamoto +4 more | 2000-05-30 |
| 6066428 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, Shinichi Kawamura, Tetsuro Suzuki +2 more | 2000-05-23 |
| 6066757 | Stilbene compound and process for producing same | Masaomi Sasaki, Tomoyuki Shimada | 2000-05-23 |
| 6045959 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Akira Katayama, Masaomi Sasaki, Katsukiyo Nagai, Shinichi Kawamura, Susumu Suzuka +1 more | 2000-04-04 |
| 6018014 | Aromatic polycarbonate and electrophotographic photosensitive medium using same | Kazukiyo Nagai, Masaomi Sasaki, Hiroshi Tamura, Tetsuro Suzuki, Tomoyuki Shimada +6 more | 2000-01-25 |
| 5981124 | Electrophotographic photoconductor, azo compounds for use in the same, and intermediates for producing the azo compounds | Tomoyuki Shimada, Masaomi Sasaki | 1999-11-09 |
| 5976746 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Masaomi Sasaki, Katsukiyo Nagai, Shinichi Kawamura, Susumu Suzuka, Katsuhiro Morooka | 1999-11-02 |
| 5942363 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Nozomu Tamoto, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Chihaya Adachi +3 more | 1999-08-24 |
| 5910561 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Nozomu Tamoto +4 more | 1999-06-08 |
| 5846680 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Nozomu Tamoto +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 |
| 5808155 | Electrophotographic photoconductor, carbonate compound for use in the same, and intermediate compound for producing the carbonate compound | Tomoyuki Shimada, Masaomi Sasaki | 1998-09-15 |
| 5789128 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Chihaya Adachi, Masaomi Sasaki, Kazukiyo Nagai, Tomoyuki Shimada, Nozomu Tamoto +4 more | 1998-08-04 |
| 5723243 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Masaomi Sasaki, Hiroshi Tamura, Tomoyuki Shimada, Tetsuro Suzuki, Kouji Kishida +6 more | 1998-03-03 |
| 5672728 | Method for preparing the pyrenylamine derivatives | Masaomi Sasaki, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi | 1997-09-30 |
| 5663407 | Electrophotographic photoconductor, carbonate compound for use in the same, and intermediate compound for producing the carbonate compound | Tomoyuki Shimada, Masaomi Sasaki | 1997-09-02 |
| 5641598 | Stilbene compound, process for producing same and electrophotographic photoconductor containing same | Masaomi Sasaki, Tomoyuki Shimada | 1997-06-24 |