Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857433 | Electrophotographic toner for high speed electrophotography | Masaaki Shin, Akio Fujiwara | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857433 | Electrophotographic toner for high speed electrophotography | Masaaki Shin, Akio Fujiwara | 1989-08-15 |