Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7031011 | Image forming apparatus using image data and identification information in relation to an output apparatus | Syoichiro Yoshiura | 2006-04-18 |
| 6927870 | Image forming apparatus using image data and identification information in relation to an arbitrary image output apparatus | Syoichiro Yoshiura | 2005-08-09 |
| 6539114 | Image processing apparatus | — | 2003-03-25 |
| 6240271 | Image formation apparatus and image formation method | Hideo Matsuda, Yasutaka Maeda, Shunju Anzai, Osamu Fujimoto, Hidekazu Sakagami +1 more | 2001-05-29 |
| 6188419 | color image-forming device | Koji Katamoto, Osamu Fujimoto, Ayumu Oda, Syoichiro Yoshiura | 2001-02-13 |
| 6181356 | Pattern image reader device and image stabilizer device incorporated in image forming apparatus | Kazuyuki Ohnishi, Syoichiro Yoshiura | 2001-01-30 |
| 6163334 | Image forming device | Kazumi Irie, Kazuyuki Ohnishi, Syoichiro Yoshiura | 2000-12-19 |
| 6040924 | Color image forming apparatus | Akira Tamagaki, Hideo Matsuda, Syoichiro Yoshiura | 2000-03-21 |
| 5982524 | Optical scanning apparatus | Osamu Fujimoto, Hideo Matsuda, Kazuyuki Ohnishi, Hidekazu Sakagami | 1999-11-09 |
| 5915074 | Image formation apparatus and image formation method | Hideo Matsuda, Yasutaka Maeda, Shunju Anzai, Osamu Fujimoto, Hidekazu Sakagami +1 more | 1999-06-22 |
| 5477308 | Image forming apparatus having an image-quality correction function | Kazuyuki Ohnishi, Yasutaka Maeda, Mihoko Okada, Yuichi Kazaki, Shin-ichirou Ohhashi +1 more | 1995-12-19 |
| 5164782 | Electrophotographic copying apparatus | Katsuhiro Nagayama, Yasutaka Maeda, Hideyuki Nishimura, Koichi Moriyama, Hideo Matsuda | 1992-11-17 |
| 5138386 | Developing apparatus | Tokiyuki Okano, Kiyoshi Inamoto, Kazuyuki Ohnishi, Hidetomo Nishiyama, Kazunori Sohda +1 more | 1992-08-11 |
| 5070368 | Developing apparatus | Tokiyuki Okano, Kiyoshi Inamoto, Kazuyuki Ohnishi, Hidetomo Nishiyama, Kazunori Sohda +1 more | 1991-12-03 |
| 5049930 | System for preventing erroneous mounting of developer tanks accommodated in a developing device | Tokiyuki Okano, Kazunori Sohda, Kiyoshi Inamoto, Kazuyuki Ohnishi, Masato Tokishige | 1991-09-17 |
| 5041878 | Method for forming and transferring color images | Yasuhiro Takai, Taisuke Kamimura, Etsuzi Nukushina | 1991-08-20 |
| 5040028 | Image forming apparatus with a toner transfer device | Taisuke Kamimura, Yasuhiro Takai, Etsuji Nukushina, Hideo Matsuda | 1991-08-13 |
| 4991833 | Automatic document feeder | Hisashi Minami, Hideo Matsuda, Shinitiro Hiraoka | 1991-02-12 |
| 4952986 | Copying apparatus | Yasutaka Maeda, Hideyuki Nishimura, Tsuyoshi Miyamoto, Kyouichi Takata, Kiyoshi Inamoto +6 more | 1990-08-28 |
| 4905051 | Fixing means for electrophotographic copier | Fumio Satoh, Yasuhiro Takai, Katsumi Nakanishi | 1990-02-27 |
| 4843433 | Automatic document feeder | Hisashi Minami, Hideo Matsuda, Shinitiro Hiraoka | 1989-06-27 |
| 4455127 | Compact size plunger pump | Toshiaki Tabuchi | 1984-06-19 |
| 4388630 | Ink liquid supply system which compensates for temperature variation | Mikio Osaki, Toshiaki Tabuchi | 1983-06-14 |
| 4368474 | Ink droplet formation control in an ink jet system printer | Fumio Togawa, Hitoshi Suzuki | 1983-01-11 |
| 4357617 | Ink recirculating device of ink jet printer | Toshiaki Kawamoto | 1982-11-02 |