Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801527 | Presensitized O-quinone diazide plate having an anodized aluminum base with an amine compound containing hydrophilic layer | Hirokazu Sakaki | 1989-01-31 |
ST
Shuiti Takamiya
Overall (1989): #56,770 of 140,708Top 45%
1
Patents 1989