Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359513 | Electrophotographic light-sensitive disazo compounds having diphenylacrylonitrile group | Kazuharu Katagiri, Shigeto Ohta, Shozo Ishikawa, Makoto Kitahara | 1982-11-16 |
| 4359515 | Disazo electrophotographic light-sensitive media | Kazuharu Katagiri, Shigeto Ohta, Shozo Ishikawa, Makoto Kitahara | 1982-11-16 |
| 4356243 | Electrophotographic media with benzoxazole group containing dis-azo compound | Shozo Ishikawa, Kazuharu Katagiri, Shigeto Ohta, Makoto Kitahara | 1982-10-26 |