Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796050 | Mechanism for driving photosensitive drums | Hideya Furuta, Mitsuru Mamizuka, Fumitaka Fujieda | 1989-01-03 |
YS
Yoshihiro Sakai
Overall (1989): #40,382 of 140,708Top 30%
1
Patents 1989