HG

Haike Guan

Ricoh Company: 50 patents #228 of 9,818Top 3%
Overall (All Time): #54,431 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
8315424 Image processing apparatus, image processing method, and program product Taeko Ishizu, Akihiro Mihara, Hiroshi Shimura, Masaaki Ishikawa, Yasushi Abe +1 more 2012-11-20
8259991 Image processing apparatus and image processing method Masaaki Ishikawa, Takashi Saitoh, Hiroshi Shimura, Taeko Ishizu 2012-09-04
8254643 Image processing method and device for object recognition Zhongchao Shi, Gang Wang, Tao Li, Cheng Du 2012-08-28
8238599 Image processing device and image processing method for identifying a selected one or more embedding methods used for embedding target information Masaaki Ishikawa, Takashi Saitoh, Hiroshi Shimura, Taeko Ishizu, Hideaki Yamagata 2012-08-07
8208179 Apparatus, system, and method for image processing Masaaki Ishikawa, Hiroshi Shimura, Taeko Ishizu, Hiroyuki Yoshida, Takashi Saitoh 2012-06-26
8014627 Image processing apparatus, imaging apparatus, image processing method, and computer program product 2011-09-06
8009305 Method, program, and apparatus for detecting a copy-prohibited document and prohibiting a reproduction of the detected copy prohibited document Masaaki Ishikawa, Takashi Saitoh, Hiroshi Shimura 2011-08-30
7983508 Method and apparatus for image processing capable of effectively reducing an image noise 2011-07-19
7720290 Method, program, and apparatus for detecting specific information included in image data of original image, and computer-readable storing medium storing the program Hiroshi Shimura, Masaaki Ishikawa, Takashi Saitoh 2010-05-18
7684637 Method, computer program, and apparatus for detecting specific information included in image data of original image with accuracy, and computer readable storing medium storing the program Masaaki Ishikawa, Takashi Saitoh, Hiroshi Shimura 2010-03-23
7609851 Embedding data into document and extracting embedded data from document Masaaki Ishikawa, Hiroshi Shimura, Takashi Saitoh, Hiroyuki Yoshida 2009-10-27
7595826 Method a system for improving resolution in color image data generated by a color image sensor Shin Aoki 2009-09-29
7580159 Method, program, and apparatus for preventing a reproduction of an anti-copy document, and a medium storing the program Yasushi Abe, Takashi Saitoh 2009-08-25
7548340 Method, program, and apparatus for prohibiting a reproduction of an anti-copy document, and a medium storing the program Masaaki Ishikawa, Takashi Saitoh 2009-06-16
7477426 Image correcting apparatus and method, program, storage medium, image reading apparatus, and image forming apparatus Tadashi Araki 2009-01-13
7430065 Method and system for correcting distortions in image data scanned from bound originals Tadashi Arakai 2008-09-30
7271803 Method and system for simulating stereographic vision Koichi Ejiri, Ying-Jieh Huang, Shin Aoki 2007-09-18
7182464 Projector with adjustably positioned image plate Koichi Ejiri, Takao Yamaguchi, Shin Aoki 2007-02-27
6901236 Method, program, and apparatus for preventing a reproduction of an anti-copy document, and a medium storing the program Takashi Saitoh, Yasushi Abe 2005-05-31
6830341 Projector with adjustably positioned image plate Koichi Ejiri, Takao Yamaguchi, Shin Aoki 2004-12-14
6628327 Method and a system for improving resolution in color image data generated by a color image sensor Shin Aoki 2003-09-30
6609797 Projector with adjustably positioned image plate Koichi Ejiri, Takao Yamaguchi, Shin Aoki 2003-08-26
6366360 Method and a system for correcting distortion aberrations in high resolution images Koichi Ejiri, Shin Aoki 2002-04-02
6361171 Projector with adjustably positioned image plate Koichi Ejiri, Takao Yamaguchi, Shin Aoki 2002-03-26
6104840 Method and system for generating a composite image from partially overlapping adjacent images taken along a plurality of axes Koichi Ejiri, Shin Aoki 2000-08-15