Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443528 | Photoconductive materials comprising nitro or cyano substituted phthalocyanine compounds for electrophotography | Shinichi Tamura, Toshio Seta, Tsuneo Tanaka | 1984-04-17 |