Issued Patents 1982
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365014 | Electrophotographic photoconductor | Kiyoshi Sakai, Mitsuru Hashimoto, Masafumi Ohta | 1982-12-21 |
| 4363859 | Electrophotographic photoconductor | Kyoji Tsutsui | 1982-12-14 |
| 4349616 | Disazo pigment containing electrophotographic element | — | 1982-09-14 |
| 4327020 | Bis-azo compounds | Masafumi Ohta, Kyoji Tsutsui | 1982-04-27 |
| 4325871 | Ortho-Bis (2-substituted azostyryl) benzene compounds | Mitsuru Hashimoto, Tomiko Kawakami | 1982-04-20 |
| 4314015 | Electrophotographic sensitive materials containing disazo compounds | Mitsuru Hashimoto, Kiyoshi Sakai, Masafumi Ohta, Akio Kozima, Kyoji Tsutsui | 1982-02-02 |