Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4218247 | Photoconductive resin containing tertiary amino groups for electrophotography | Shigeyoshi Hara | 1980-08-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4218247 | Photoconductive resin containing tertiary amino groups for electrophotography | Shigeyoshi Hara | 1980-08-19 |