Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853747 | Copying apparatus exposure device | Masashi Horiguchi, Minoru Yakubo, Yoshikazu Tamura | 1989-08-01 |
MO
Mamoru Ogasawara
Overall (1989): #79,554 of 140,708Top 60%
1
Patents 1989