Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356742 | Dipyrenylamine derivatives and electrophotographic photoconductor comprising the same | Tomoyuki Shimada, Masaomi Sasaki, Hiroshi Adachi | 1994-10-18 |
| 5344985 | Aldehyde intermediates for the preparation of pyrenylamine derivatives having unsaturated bond | Chiaki Tanaka, Masaomi Sasaki, Tomoyuki Shimada, Hiroshi Adachi | 1994-09-06 |
| 5334470 | Electrophotographic element with M-phenylenediamine derivatives therein | Tomoyuki Shimada, Masaomi Sasaki, Hiroshi Adachi | 1994-08-02 |
| 5319069 | Polyether compounds and electrophotographic photoconductor comprising one polyether compound | Masaomi Sasaki, Tomoyuki Shimada | 1994-06-07 |
| 5312707 | Electrophotographic photoconductor and diamine compounds for use in the same | Masafumi Ota, Masaomi Sasaki, Tomoyuki Shimada, Mitsutoshi Anzai, Masaki Okubo | 1994-05-17 |
| 5298661 | Charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Masaomi Sasaki | 1994-03-29 |