Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697034 | Image forming apparatus which stably holds a uniform surface potential of a transfer device | Yoshie Iwakura, Takuya Abe, Kiyoshi Toizumi | 1997-12-09 |
| 5623329 | Transfer device for an image forming apparatus | Kouichi Yamauchi, Hiroshi Tachiki, Hiromu Yoshimoto, Atsuyuki Katoh, Yuhi Akagawa +6 more | 1997-04-22 |
| 5598252 | Electronic image forming apparatus with reduced residual carrier and toner attraction | Hideo Yamasa, Koichi Inui, Shirou Wakahara, Yuuhi Yui, Eiichi Kido +1 more | 1997-01-28 |
| 5592270 | Developing device in an electrophotographic apparatus capable of controlling a discharge of deteriorated developer and method of discharging deteriorated developer | Yasuhiro Takai, Hideaki Hagihara, Hirokazu Tanaka, Atsushi Ueda, Hideo Yamasa | 1997-01-07 |