Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302440 | Copying machine | Mikio Kosako, Yoichi Tatsuta | 1989-07-25 |
| D299653 | Copying machine | Mikio Kosako | 1989-01-31 |
RM
Ritsuko Makihara
Overall (1989): #17,677 of 140,708Top 15%
2
Patents 1989