Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885466 | Corona wire cleaning device utilizing a position detection system | Yasushi Koichi, Haruzi Mizuishi, Mutuko Funaki | 1989-12-05 |
TF
Tetsuya Fujioka
Overall (1989): #51,811 of 140,708Top 40%
1
Patents 1989