Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851879 | Transfer device in electrophotographic copying machine | Masato Asanuma, Kyoichi Takada | 1989-07-25 |
YI
Yukihisa Imaue
Overall (1989): #39,749 of 140,708Top 30%
1
Patents 1989