Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824748 | Method of making a color separation filter including monomolecular film layers of coupled dyestuff | Hideo Saeki | 1989-04-25 |
SU
Shigeyuki Uematsu
Overall (1989): #56,595 of 140,708Top 45%
1
Patents 1989