Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974028 | Electrostatic latent image developing device for monocomponent toner comprising plural toner transport members with different electroconductivity | Yuji Enoguchi, Hiroshi Mizuno, Masashi Yamamoto | 1990-11-27 |
| 4920916 | Electrostatic latent image developing device | Hiroshi Mizuno, Yuji Enoguchi, Akihito Ikegawa, Masasi Yamamoto, Hiroshi Murasaki | 1990-05-01 |
| 4907032 | Monocomponent developing device | Yuji Enoguchi, Masashi Yamamoto | 1990-03-06 |
| 4836136 | Developer supplying member | — | 1989-06-06 |
| 4827305 | Developing apparatus | Yuuji Enoguchi, Masashi Yamamoto | 1989-05-02 |
| 4791882 | Loosely mounted outer sleeve member with biasing means | Yuji Enoguchi, Masashi Yamamoto | 1988-12-20 |
| 4698287 | Photosensitive member having an amorphous silicon layer | Izumi Osawa, Isao Doi | 1987-10-06 |
| 4686164 | Electrophotosensitive member with multiple layers of amorphous silicon | Izumi Osawa, Isao Doi | 1987-08-11 |
| 4683184 | Electrophotosensitive member having alternating amorphous semiconductor layers | Izumi Osawa, Isao Doi | 1987-07-28 |
| 4683185 | Electrophotosensitive member having a depletion layer | Izumi Osawa, Isao Doi | 1987-07-28 |
| 4681825 | Electrophotosensitive member having an amorphous silicon-germanium layer | Izumi Osawa, Isao Doi | 1987-07-21 |