Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5491535 | Control appartus of copying machine with improved communication function for centralized control | Sumiaki Hirata, Kazunobu Maekawa | 1996-02-13 |
| 5300980 | Control apparatus of copying machine with improved communication function for centralized control unit | Kazunobu Maekawa, Sumiaki Hirata, Yoji Sawada, Toru Kirimura, Seiji Watanabe | 1994-04-05 |
| 5257069 | Copying machine control system controlling a plurality of copying machines through communication network | Sumiaki Hirata, Kazunobu Maekawa | 1993-10-26 |
| 5162853 | Multiple color copying apparatus having a copy paper color detecting device | Masazumi Ito, Minoru Nakamura, Toru Kasamatsu, Yoichi Kawabuchi, Syuzi Maruta +1 more | 1992-11-10 |
| 5144372 | Copying machine operable in simultaneous multi-color mode | Hirohisa Miyamoto | 1992-09-01 |
| 5089859 | Multicolor image forming apparatus which converts color data into erasing data | Keiji Kusumoto | 1992-02-18 |
| 5032867 | Original size detecting apparatus of an image forming apparatus | Keiji Kusumoto, Toshikazu Kawaguchi | 1991-07-16 |
| 5023662 | Image formation with manual and automatic exposure adjustment | Keiji Kusumoto | 1991-06-11 |
| 4994852 | Image forming apparatus having a malfunction detection device and power shutdown therefor | Yasuyuki Matsuuchi | 1991-02-19 |
| 4978992 | Original size detecting apparatus of an image forming apparatus | Keiji Kusumoto, Toshikazu Kawaguchi | 1990-12-18 |
| 4952985 | Electrophotographic copying apparatus with monitoring of scanning speed | Toshikazu Kawaguchi | 1990-08-28 |
| 4947210 | Multi-color copying machine | Kazuhiro Araki, Hirohisa Miyamoto | 1990-08-07 |
| 4881104 | Image forming apparatus having a plurality of feed openings | Keiji Kusumoto | 1989-11-14 |
| 4868609 | Apparatus for transporting sheets of paper | Yoichi Kawabuchi | 1989-09-19 |
| 4786942 | Image forming apparatus | Keiji Kusumoto, Kaoru Hashimoto | 1988-11-22 |
| 4556779 | Temperature control arrangement for heat roller | Kaoru Hashimoto | 1985-12-03 |
| 4535463 | Apparatus for detecting number of remaining sheets | Masazumi Ito | 1985-08-13 |
| 4417350 | Counter control in electrophotographic copier | Hideo Ito, Masazumi Ito, Yutaka Irie | 1983-11-22 |
| 4394087 | Mechanical arrangement for controlling electrophotographic apparatus | Yutaka Irie, Hideo Ito | 1983-07-19 |
| 4307957 | Paper jam detecting device for use in an electrophotographic copying machine | Tsuneo Kitagawa, Kenichi Arai, Kenji Shibazaki, Tomoji Murata | 1981-12-29 |
| 4280763 | Sequential control circuit means | Kenichi Arai, Kenji Shibazaki, Tsuneo Kitagawa, Tomoji Murata | 1981-07-28 |
| 4265440 | Computer-controlled paper feeder | Kenji Shibazaki, Kenichi Arai, Tsuneo Kitagawa, Tomoji Murata | 1981-05-05 |
| 4260904 | Power feed control device for copying apparatus | Yoshihiro Horie, Manabu Hatano | 1981-04-07 |
| 4211482 | Electrophotographic copying apparatus equipped with scanning system control device | Kenichi Arai, Kenji Shibazaki, Tsuneo Kitagawa, Tomoji Murata | 1980-07-08 |