Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33484 | Cleaning device for a monochromatic copying machine | — | 1990-12-11 |
| 4804609 | Developing agent for electrophotography with silica and magnetite additives | Hideaki Taniguchi | 1989-02-14 |
| 4754304 | Drum cleaning in an electrophotographic copying machine | Kunio Ohashi | 1988-06-28 |
| 4696565 | Cleaning device for a monochromatic copying machine | — | 1987-09-29 |
| 4542981 | Degradation compensation of photoreceptor sensitivity for electrophotographic copying machine | Shunju Anzai | 1985-09-24 |
| 4540270 | Electrophotographic copying machine with a pre-copy system | Hiroshi Kinashi | 1985-09-10 |
| 4491407 | Toner image transfer system | Akira Mitsuyama | 1985-01-01 |
| 4465360 | Electrophotographic copying machine | Toshio Yamagishi, Hiroaki Uchiyama, Ikuo Itoh | 1984-08-14 |