Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870460 | Method of controlling surface potential of photoconductive element | Masahide Harada | 1989-09-26 |
KK
Kazuhiro Kimura
Overall (1989): #90,567 of 140,708Top 65%
1
Patents 1989