Issued Patents All Time
Showing 76–100 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723243 | Electrophotographic photoconductor and aromatic polycarbonate resin for use therein | Masaomi Sasaki, Hiroshi Tamura, Tetsuro Suzuki, Chiaki Tanaka, Kouji Kishida +6 more | 1998-03-03 |
| 5672756 | Triphenylamine compound for use in electrophotographic photoconductors | Masaomi Sasaki, Tamotsu Aruga, Masafumi Ohta, Mitsutoshi Anzai, Akihiro Imai | 1997-09-30 |
| 5672728 | Method for preparing the pyrenylamine derivatives | Chiaki Tanaka, Masaomi Sasaki, Tamotsu Aruga, Hiroshi Adachi | 1997-09-30 |
| 5663407 | Electrophotographic photoconductor, carbonate compound for use in the same, and intermediate compound for producing the carbonate compound | Masaomi Sasaki, Chiaki Tanaka | 1997-09-02 |
| 5641598 | Stilbene compound, process for producing same and electrophotographic photoconductor containing same | Chiaki Tanaka, Masaomi Sasaki | 1997-06-24 |
| 5631404 | Diamine compounds for use in electrophotographic photoconductors | Mitsutoshi Anzai, Yasuo Murakami, Atsushi Takesue, Masaomi Sasaki, Tamotsu Aruga +1 more | 1997-05-20 |
| 5623062 | Bisazo compounds as charge generating materials | Masaomi Sasaki | 1997-04-22 |
| 5616805 | Methods for preparing pyrenylamine derivatives and intermediates | Chiaki Tanaka, Masaomi Sasaki, Tamotsu Aruga, Hiroshi Adachi | 1997-04-01 |
| 5616801 | Charge transporting materials and electrophotographic photoconductors using the same | Masaomi Sasaki, Mitsuru Hashimoto, Tamotsu Aruga | 1997-04-01 |
| 5604065 | Electrophotographic photoconductor and triphenylamine compound for use therein | Masaomi Sasaki, Tamotsu Aruga, Masafumi Ohta, Mitsutoshi Anzai, Akihiro Imai | 1997-02-18 |
| 5599995 | Electrophotographic photoconductor comprising pyrenylamine derivative, the pyrenylamine derivative, intermediate for preparation thereof, and method for preparing the pyrenylamine derivative and the intermediate | Chiaki Tanaka, Masaomi Sasaki, Tamotsu Aruga, Hiroshi Adachi | 1997-02-04 |
| 5587516 | Electrophotographic photoconductor comprising pyrenylamine derivative, the pyrenylamine derivative, intermediate for preparation thereof, and method for preparing the pyrenylamine derivative and the intermediate | Chiaki Tanaka, Masaomi Sasaki, Tamotsu Aruga, Hiroshi Adachi | 1996-12-24 |
| 5576132 | Electrophotographic photoconductor comprising pyrenylamine derivative | Chiaki Tanaka, Masaomi Sasaki, Tamotsu Aruga, Hiroshi Adachi | 1996-11-19 |
| 5569800 | Electrophotographic photoconductor, pyrene-ring-containing olefin compound for use in the same, intermediate for synthesizing the olefin compound, and method of synthesizing the olefin compound | Tamotsu Aruga, Masaomi Sasaki, Hiroshi Adachi | 1996-10-29 |
| 5550293 | Electrophotographic photoconductors and tertiary amine compounds having condensed polycyclic group for use in the same | Masaomi Sasaki, Tamotsu Aruga | 1996-08-27 |
| 5547792 | Electrophotographic photoconductor, carbonate compound for use in the same, and intermediate compound for producing the carbonate compound | Masaomi Sasaki, Chiaki Tanaka | 1996-08-20 |
| 5489495 | Electrophotographic photoconductor and diamine compounds for use in the same | Mitsutoshi Anzai, Yasuo Murakami, Atsushi Takesue, Masaomi Sasaki, Tamotsu Aruga +1 more | 1996-02-06 |
| 5488164 | Electrophotographic photoconductors and tertiary amine compounds having condensed polycyclic group for use in the same | Masaomi Sasaki, Tamotsu Aruga | 1996-01-30 |
| 5480753 | Electrophotographic photoconductor comprising diamine compound | Masaomi Sasaki, Chiaki Tanaka | 1996-01-02 |
| 5475137 | M-phenylenediamine derivatives | Masaomi Sasaki, Tamotsu Aruga, Hiroshi Adachi | 1995-12-12 |
| 5462826 | Charge transporting materials and electrophotographic photoconductors using the same | Masaomi Sasaki, Mitsuru Hashimoto, Tamotsu Aruga | 1995-10-31 |
| 5457232 | Pyrenylamine derivatives having unsaturated bond | Chiaki Tanaka, Masaomi Sasaki, Tamotsu Aruga, Hiroshi Adachi | 1995-10-10 |
| 5436100 | Electrophotographic photoconductor and M-phenylenediamine derivatives for use in the same | Masaomi Sasaki, Tamotsu Aruga, Hiroshi Adachi | 1995-07-25 |
| 5434028 | Diamine compounds | Masaomi Sasaki, Chiaki Tanaka | 1995-07-18 |
| 5420332 | Diamine compounds | Masaomi Sasaki, Chiaki Tanaka | 1995-05-30 |