Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701560 | Image forming apparatus having a photosensitive body formed of a base material consisting of As.sub.2 Se.sub.3 or a-Si and a method | Akio Tsujita, Tsuneaki Kawanishi | 1997-12-23 |
| 5659841 | Electrostatic recording control method and electrostatic recording apparatus | Takao Umeda, Hiroyuki Mabuchi, Shinji Asai, Kozi Kato, Yoshihiro Gunji | 1997-08-19 |
| 5630201 | Development apparatus having a plurality of rolls rotated at particular speeds | Katsuhiko Suzuki, Takao Umeda | 1997-05-13 |
| 5600405 | Bias cleaning system and electrostatic printing apparatus therewith and operating method thereof | Takao Umeda, Katsuya Kawai, Yosuke Saito, Hiroyuki Mabuchi, Masato Miwa +3 more | 1997-02-04 |