Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879197 | Method of developing electronic photograph with liquid developer and cleaning excess thereof | Isao Kohmura, Takao Senga, Akira Furukawa, Mamoru Nakatani, Jun Yamada | 1989-11-07 |
| 4873166 | Liquid developer for electrophotography | Takao Senga, Kazuchiyo Takaoka, Takimi Hashimoto | 1989-10-10 |
| 4837103 | Negative charging liquid developer for electrophotography | Akira Furukawa | 1989-06-06 |