Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7978995 | Image forming apparatus for image density adjustment | Akifumi Isobe, Hiroyuki Watanabe, Tadayuki Ueda, Yoshihito Sasamoto, Takashi Nara | 2011-07-12 |
| 7778579 | Color image forming apparatus which executes color misregistration correction processing | Tadayuki Ueda, Masaaki Goto, Hiroyuki Watanabe, Akifumi Isobe, Yoshihito Sasamoto +1 more | 2010-08-17 |
| 7746492 | Image data transmitter and image data communication system | Yasuhiro Ishihara, Munehiro Natsume, Natsuyo Higashi, Masazumi Ito | 2010-06-29 |
| 6487377 | Recycle information system and image forming apparatus for recycling | Yoshikazu Naito, Takahiro Tsujimoto, Hiroyuki Yoshikawa, Akinori Kimata, Katsuhide Sakai | 2002-11-26 |
| 5363208 | Image forming apparatus comprising integrating means for integrating image density data | Masaaki Nishiyama | 1994-11-08 |
| 5285464 | Driving apparatus of a laser diode | — | 1994-02-08 |
| 5210584 | Multi-colored image forming apparatus having a movable support member for the developing device | Kazuaki Shiotsuka | 1993-05-11 |
| 5181127 | Image forming apparatus and method therefor | Masaaki Nishiyama | 1993-01-19 |
| 5148289 | Image forming apparatus | Masaaki Nishiyama | 1992-09-15 |
| 5105280 | Image forming device which can form an image by printing a plurality of pixel unit areas which are composed of multiple sub pixels | Yoshihiko Hirota | 1992-04-14 |
| 5061949 | Image forming apparatus comprising means for setting a proper bias voltage of laser emitting means and method therefor | Masaaki Nishiyama | 1991-10-29 |
| 4864364 | Charge eraser for an electrophotographic copier | Keiji Nakatani, Tomoji Murata | 1989-09-05 |