Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332611 | Sheet conveying path switching device and image forming apparatus using the sheet conveying path switching device | — | 2001-12-25 |
| 6006051 | Electrophotographic apparatus and image forming apparatus employed therein with controlled timing of a power supply | Masaharu Furuya | 1999-12-21 |
| 5999765 | Image forming apparatus and method therefor | — | 1999-12-07 |
| 5852499 | Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper | Nobuo Sakuma, Takashi Mama | 1998-12-22 |
| 5819136 | Temperature control for a fixing device | Masaharu Furuya | 1998-10-06 |
| 5729349 | Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper | Nobuo Sakuma, Takashi Mama | 1998-03-17 |
| 5550623 | Digital copying machine having selective paper feed based on copy productivity | Toshihiko Majima, Toshiya Tagawa, Hiroyasu Sumida | 1996-08-27 |
| 5493424 | Image forming apparatus | Toshihiko Majima | 1996-02-20 |
| 5440408 | Image data processing apparatus having a digital copying function and a facsimile function and including means for distinguishing a facsimile reception sheet from a copy sheet | — | 1995-08-08 |
| 5376994 | Compact BI-color electrophotographic image forming apparatus | Takashi Mama, Yuji Yasuda, Fumihiro Miyagawa, Shinji Kobayashi, Takanobu Fujioka +2 more | 1994-12-27 |
| 5357583 | Graphics processing apparatus for smoothing edges of images | Takashi Sato, Hiroki Kubozono, Hitomi Kumazaki, Masaki Sano, Yoshiaki Hanyu | 1994-10-18 |
| 5337182 | Optical Scanner | — | 1994-08-09 |
| 5325474 | Graphic output device including antialiasing capability governed by decisions regarding slope of edge data | Hitomi Kumazaki, Masaki Sano, Yoshiaki Hanyu, Naomi Inoue, Akira Ohori | 1994-06-28 |
| 5309182 | Bicolor image forming apparatus for forming a bicolor image on a photoconductive element | Takashi Mama, Yuji Yasuda, Fumihiro Miyagawa, Shinji Kobayashi, Takanobu Fujioka +2 more | 1994-05-03 |
| 5208694 | Optical scanner | — | 1993-05-04 |
| 5179277 | Methods for optically scanning a scanned face with an equi-angular scan velocity | — | 1993-01-12 |
| 5161047 | Optical scanner for image recording apparatus | Takayuki Ohsawa, Kenichi Takanashi, Osamu Endo | 1992-11-03 |
| 5130839 | Scanning optical apparatus | — | 1992-07-14 |
| 5115334 | Optical scanning device | — | 1992-05-19 |
| 5099355 | Optical element having heat control means | — | 1992-03-24 |
| 5054866 | Scanning optical apparatus | Tomohiro Oikawa | 1991-10-08 |
| 5033806 | Optical scanner | Takashi Shibaguchi | 1991-07-23 |
| 4891711 | Document reader for a digital copier | — | 1990-01-02 |