Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315982 | Styryl pyrazoline compounds, process for production thereof, and electrophoto graphic material comprising said compounds | Shozo Ishikawa, Shigeki Ohkawa | 1982-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315982 | Styryl pyrazoline compounds, process for production thereof, and electrophoto graphic material comprising said compounds | Shozo Ishikawa, Shigeki Ohkawa | 1982-02-16 |