Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886846 | Aromatic diolefinic compounds, aromatic diethyl compounds and electrophotographic photoconductors comprising one aromatic diethyl compound | Masaomi Sasaki, Mitsuru Hashimoto | 1989-12-12 |
| 4830943 | Bisazo compounds and electrophotographic photoconductors comprising the bisazo compounds | Masaomi Sasaki | 1989-05-16 |