Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868080 | Electrophotographic photosensitive member comprising aromatic azo pigment containing cyclic amino group | Shoji Umehara | 1989-09-19 |
YK
Yoshio Kashizaki
Overall (1989): #41,008 of 140,708Top 30%
1
Patents 1989