Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8186799 | Image forming apparatus and impact position displacement correction method | Tetsu Morino, Kenichi Kawabata, Mamoru Yorimoto, Tetsuro Hirota, Takumi Hagiwara | 2012-05-29 |
| 8157342 | Liquid-jet device, image forming apparatus, and method for adjusting landing positions of liquid droplets | Tetsu Morino, Kenichi Kawabata, Mamoru Yorimoto, Tetsuro Hirota, Takumi Hagiwara +1 more | 2012-04-17 |
| 8066348 | Image forming apparatus and defective nozzle detection method | Tetsuro Hirota, Takumi Hagiwara, Kenichi Kawabata, Mamoru Yorimoto, Tetsu Morino | 2011-11-29 |
| 7992953 | Image forming apparatus and method of correcting deviation of shooting position | Mamoru Yorimoto, Kenichi Kawabata, Tetsu Morino, Tetsuro Hirota, Takumi Hagiwara | 2011-08-09 |
| 7914096 | Image forming apparatus, landing position shift correction method, and landing position shift correction sheet member | Takumi Hagiwara, Kenichi Kawabata, Mamoru Yorimoto, Tetsuro Hirota, Tetsu Morino | 2011-03-29 |
| 7655936 | Optical sensor and image forming apparatus that processes specular reflection light | Kayoko Ikegami, Katsuo Hatase | 2010-02-02 |
| 7551866 | Image forming method and apparatus with improved conversion capability of amount of toner adhesion | Naoto Watanabe, Shin Hasegawa, Hideki Kamaji, Shinji Kato, Hitoshi Ishibashi +7 more | 2009-06-23 |
| 7438379 | Alignment pattern detecting sensor, method of determining acceptance width of the alignment pattern detecting sensor, method of forming alignment pattern, and image forming apparatus | Hitoshi Ishibashi | 2008-10-21 |
| 7260335 | Image-information detecting device and image forming apparatus | Shinji Kato, Yushi Hirayama, Shin Hasegawa, Hitoshi Ishibashi, Kohta Fujimori +6 more | 2007-08-21 |
| 7251420 | Method and apparatus for image forming capable of effectively detecting toner density | Kohta Fujimori, Shin Hasegawa, Shinji Kato, Hitoshi Ishibashi, Kayoko Tanaka +6 more | 2007-07-31 |
| 7228081 | Method and apparatus for image forming capable of controlling image-forming process conditions | Shin Hasegawa, Shinji Kato, Takashi Enami, Fukutoshi Uchida, Shinji Kobayashi +6 more | 2007-06-05 |
| 7055928 | Alignment pattern detecting sensor, method of determining acceptance width of the alignment pattern detecting sensor, method of forming alignment pattern, and image forming apparatus | Hitoshi Ishibashi | 2006-06-06 |
| 6798996 | Image forming apparatus | Masaichi Sawada, Shin Hasegawa, Shinji Kato, Naoto Watanabe, Kayoko Ikegami +1 more | 2004-09-28 |
| 6771389 | Electrophotographic image formation apparatus | — | 2004-08-03 |
| 6665503 | Permeability detection apparatus, image forming apparatus or digital copier using the same, toner concentration detection apparatus, and electric conductivity detection apparatus | — | 2003-12-16 |
| 6415129 | Electrophotographic image forming apparatus, cleaning unit for the same and brush roller for the same | — | 2002-07-02 |
| 6342910 | Image forming apparatus to form smooth image with inconspicuous granularity | Koji Sakamoto | 2002-01-29 |
| 6249304 | Image forming apparatus and image forming method for forming color images by gray-level image forming technique | Akio Kosuge, Atsushi Takehara, Hiroshi Yoshimura, Katsuhiko Maeda | 2001-06-19 |
| 5761570 | Color toner density sensor and image forming apparatus using the same | Kouta Fujimori | 1998-06-02 |
| 5729353 | Method and device for correcting a position for writing an image on a transport belt | Takashi Mama | 1998-03-17 |
| 5630195 | Color toner density sensor and image forming apparatus using the same | Kouta Fujimori | 1997-05-13 |
| 5627649 | Method and device for correcting a position for writing an image | Takashi Mama | 1997-05-06 |
| 5424809 | Image forming method and apparatus for the same | Yoshihiro Mitekura, Takayuki Maruta, Katsuhiro Aoki, Koji Okabayashi | 1995-06-13 |
| 5384628 | Developing device for image forming equipment | Nobuo Takami, Kazuyuki Sugihara, Takayuki Maruta, Kazuo Nojima, Kaoru Yoshimatsu +2 more | 1995-01-24 |
| 5298944 | Testing image density to control toner concentration and dynamic range in a digital copier | Takayuki Maruta, Mitsuo Hasebe | 1994-03-29 |