Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873940 | Image developing device | Toyoji Ishikawa, Toshio Kaneko, Shuichi Endo, Toshihiko Takaya | 1989-10-17 |
YO
Yoshihiro Ogata
Overall (1989): #40,545 of 140,708Top 30%
1
Patents 1989