Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370954 | Photoconductive composition containing trisazo and disazo compounds | Katsuichi Ohta, Masaomi Sasaki, Kazuya Ishida, Tomoyuki Shimada | 1994-12-06 |
| 5344735 | Bisazo electrophotographic photoconductor | Masaomi Sasaki, Tomoyuki Shimada | 1994-09-06 |
| 5317093 | Bisazo compounds useful as organic photoconductive materials | — | 1994-05-31 |