Issued Patents 1994
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370954 | Photoconductive composition containing trisazo and disazo compounds | Katsuichi Ohta, Mitsuru Hashimoto, Kazuya Ishida, Tomoyuki Shimada | 1994-12-06 |
| 5356742 | Dipyrenylamine derivatives and electrophotographic photoconductor comprising the same | Tomoyuki Shimada, Tamotsu Aruga, Hiroshi Adachi | 1994-10-18 |
| 5344735 | Bisazo electrophotographic photoconductor | Tomoyuki Shimada, Mitsuru Hashimoto | 1994-09-06 |
| 5344985 | Aldehyde intermediates for the preparation of pyrenylamine derivatives having unsaturated bond | Chiaki Tanaka, Tamotsu Aruga, Tomoyuki Shimada, Hiroshi Adachi | 1994-09-06 |
| 5334470 | Electrophotographic element with M-phenylenediamine derivatives therein | Tomoyuki Shimada, Tamotsu Aruga, Hiroshi Adachi | 1994-08-02 |
| 5322753 | Electrophotographic photoconductor and acrylic acid ester polymer for use in the same | Hiroshi Tamura, Toshio Fukagai, Naoshi Mishima | 1994-06-21 |
| 5319069 | Polyether compounds and electrophotographic photoconductor comprising one polyether compound | Tamotsu Aruga, Tomoyuki Shimada | 1994-06-07 |
| 5312707 | Electrophotographic photoconductor and diamine compounds for use in the same | Masafumi Ota, Tamotsu Aruga, Tomoyuki Shimada, Mitsutoshi Anzai, Masaki Okubo | 1994-05-17 |
| 5298661 | Charge transporting materials and electrophotographic photoconductors using the same | Tomoyuki Shimada, Tamotsu Aruga | 1994-03-29 |
| 5292896 | Amino styrene derivatives | Masayuki Shoshi | 1994-03-08 |