Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830942 | Electrophotographic photoconductor | Toshio Fukagai, Michio Kimura, Mitsuru Hashimoto | 1989-05-16 |
MO
Masafumi Ohta
Overall (1989): #79,505 of 140,708Top 60%
1
Patents 1989