Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298951 | Image forming apparatus with toner monitoring system | — | 1994-03-29 |
| 5142325 | Image forming apparatus | Toshinobu Katafuchi, Hideyuki Tanaka, Toru Taniguchi, Syuji Yamada, Takao Ichihashi | 1992-08-25 |
| 4982242 | Color image forming apparatus | Yoshifumi Ishii, Tetsuya Kagawa, Masashi Matsumoto, Hideki Kita, Hiroyuki Deguchi +1 more | 1991-01-01 |
| 4659206 | Photoconductive drum device for electrostatic copying machines or the like | Shigeo Kurando, Toshinobu Katafuchi, Katsumi Amakawa, Tetsuji Kajitani | 1987-04-21 |
| 4511241 | Copying apparatus | Hideaki Tsudaka, Takaji Washio, Nobuhiko Kozuka, Masahide Iseki, Toshio Watanabe +2 more | 1985-04-16 |
| 4484734 | Copy paper feeding device for a copying apparatus | Hideaki Tsudaka, Takaji Washio, Nobuhiko Kozuka, Masahide Iseki, Toshio Watanabe +2 more | 1984-11-27 |
| 4478506 | Electrostatic copying apparatus having improved copy sheet transfer arrangement | Yoshitake Miyoshi, Kiyoshi Shibata, Toshio Watanabe, Yousuke Ohata | 1984-10-23 |
| 4477173 | Toner replenishing device for an electrostatic copying apparatus | Nobuhiko Kozuka, Shigeo Koyama, Ichiro Takahashi, Hiromi Sakata, Atsushi Kano | 1984-10-16 |
| 4386845 | Electrostatic copying apparatus | Yoshitake Miyoshi, Kiyoshi Shibata, Toshio Watanabe, Yousuke Ohata | 1983-06-07 |
| 4361395 | Exposure adjustment device for electrostatic copying apparatus | Takaji Washio | 1982-11-30 |
| 4360263 | Copying apparatus | Yoshitake Miyoshi, Jiro Fujii, Tsugio Nakanishi, Ichiro Takahashi, Hideaki Tsudaka | 1982-11-23 |