Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833053 | Photoconductive devices containing squarilium dye compositions | — | 1989-05-23 |
| 4500621 | Sensitive electrophotographic plates containing squaric acid methine dyes suspended in a binder | — | 1985-02-19 |
| 4481270 | Photoreceptor containing squaric acid methine dyes | Tomio Kubota | 1984-11-06 |