Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861148 | Projection optical system for use in precise copy | Takeo Sato, Nobuhiro Araki, Koichi Kawata, Noboru Nomura, Shotaro Yoshida | 1989-08-29 |
AU
Atushi Ueno
Overall (1989): #130,411 of 140,708Top 95%
1
Patents 1989