Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828947 | Method for making a relief pattern of a cured resin on a transparent colored layer | Tokihiko Shimizu | 1989-05-09 |
SS
Shigehiro Sato
Overall (1989): #56,936 of 140,708Top 45%
1
Patents 1989