Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672728 | Method for preparing the pyrenylamine derivatives | Chiaki Tanaka, Masaomi Sasaki, Tomoyuki Shimada, Hiroshi Adachi | 1997-09-30 |
| 5672756 | Triphenylamine compound for use in electrophotographic photoconductors | Tomoyuki Shimada, Masaomi Sasaki, Masafumi Ohta, Mitsutoshi Anzai, Akihiro Imai | 1997-09-30 |
| 5631404 | Diamine compounds for use in electrophotographic photoconductors | Mitsutoshi Anzai, Yasuo Murakami, Atsushi Takesue, Masaomi Sasaki, Tomoyuki Shimada +1 more | 1997-05-20 |
| 5616805 | Methods for preparing pyrenylamine derivatives and intermediates | Chiaki Tanaka, Masaomi Sasaki, Tomoyuki Shimada, Hiroshi Adachi | 1997-04-01 |
| 5616801 | Charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Masaomi Sasaki, Mitsuru Hashimoto | 1997-04-01 |
| 5604065 | Electrophotographic photoconductor and triphenylamine compound for use therein | Tomoyuki Shimada, Masaomi Sasaki, 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, Tomoyuki Shimada, Hiroshi Adachi | 1997-02-04 |