Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348470 | Electrophotographic element containing disazo compounds | Eiichi Akutsu, Kiyomi Ichizuka | 1982-09-07 |
| 4314015 | Electrophotographic sensitive materials containing disazo compounds | Mitsuru Hashimoto, Kiyoshi Sakai, Masafumi Ohta, Masaomi Sasaki, Kyoji Tsutsui | 1982-02-02 |