Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6240271 | Image formation apparatus and image formation method | Yoichi Shimazawa, Hideo Matsuda, Yasutaka Maeda, Osamu Fujimoto, Hidekazu Sakagami +1 more | 2001-05-29 |
| 5915074 | Image formation apparatus and image formation method | Yoichi Shimazawa, Hideo Matsuda, Yasutaka Maeda, Osamu Fujimoto, Hidekazu Sakagami +1 more | 1999-06-22 |
| 5878314 | Image-forming device and method of manufacturing dielectric sheet | Toshihiko Takaya, Tomohiro Oikawa | 1999-03-02 |
| 5717432 | Signal input device | Yoshihisa Miwa, Hideo Matsuda, Takashi Kubo, Toshiki Ohgita | 1998-02-10 |
| 5412213 | Charger for performing a corona discharge | Eiichi Kido, Yuhi Yui, Syoichiro Yoshiura, Shinji Imagawa, Hiroaki Yoshida +5 more | 1995-05-02 |
| 4913087 | Developing device of a copier | Sinsuke Saita | 1990-04-03 |
| 4870457 | Electrophotographic copying machine with device for eliminating unwanted black areas | Haruyoshi Migita | 1989-09-26 |
| 4868676 | Manual copying apparatus | Hirokazu Matsuura | 1989-09-19 |
| 4851925 | Electronic image transfer device and a film used therein | Kimihito Yamasaki | 1989-07-25 |
| 4803519 | Electrophotographic copying machine with document-winding drum and document table | Atsushi Asada | 1989-02-07 |
| 4783679 | Copying machine for copying a plurality of small originals in a single operation | — | 1988-11-08 |
| 4771317 | Dual scanning mode | Itsuro Katoh | 1988-09-13 |
| 4714945 | Light exposure controller | Katsuyoshi Fujiwara | 1987-12-22 |
| 4713550 | Document size detection apparatus | Hiromu Sasaki, Norihide Kunikawa, Kazuyuki Ohgita | 1987-12-15 |
| 4688924 | Document copying system | Yoshihisa Miwa, Masakiyo Okuda | 1987-08-25 |
| 4583836 | Abnormal condition detection device for corona discharger in electrophotographic copying machine | Akihiko Taniguchi | 1986-04-22 |
| 4542981 | Degradation compensation of photoreceptor sensitivity for electrophotographic copying machine | Yoshiaki Imanaka | 1985-09-24 |
| 4480908 | Thermal fixing roller system in a copying machine | Yoshiaki Ibuchi, Akihiko Taniguchi | 1984-11-06 |
| 4416536 | Light memory removing system in an electrophotographic copying machine | Ikuo Itoh, Kunio Ohashi | 1983-11-22 |