HS

Hiroyuki Shibaki

Ricoh Company: 20 patents #1,076 of 9,818Top 15%
Overall (All Time): #224,995 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
8223401 Image processing apparatus, image processing system, and image processing method Noriko Miyagi, Satoshi Ouchi, Yuki Matsushima, Hirokazu Takenaka, Atsushi Togami 2012-07-17
8040557 Image processing apparatus and image processing method Noriko Miyagi, Satoshi Ouchi 2011-10-18
8040565 Image processing device, image forming apparatus including same, image processing method, and image processing program Noriko Miyagi 2011-10-18
7535595 Image processing apparatus and method, and computer program product Noriko Miyagi 2009-05-19
7433082 Method of, apparatus for, and computer program for image processing Hirokazu Takenaka, Satoshi Ouchi 2008-10-07
7423781 Image processor and image processing method for image enhancement using edge detection Etsuo Morimoto, Tooru Suino 2008-09-09
7355755 Image processing apparatus and method for accurately detecting character edges Tooru Suino, Etsuo Morimoto 2008-04-08
7356160 Method of and apparatus for image processing Noriko Miyagi 2008-04-08
7327874 Method of and apparatus for image processing apparatus, and computer product Noriko Miyagi, Hirokazu Takenaka, Satoshi Ouchi 2008-02-05
7221799 Image processing based on degree of white-background likeliness Hiromi Okubo 2007-05-22
7170642 Image processing apparatus and method for improving output image quality Etsuo Morimoto 2007-01-30
7088472 Method, system, and apparatus for image forming and processing capable of appropriately adjusting input and output properties Hiromi Okubo, Hiroshi Ishii, Hiroki Kubozono, Shougu Oneda 2006-08-08
6987886 Image processing based on degree of white-background likeliness Hiromi Okubo 2006-01-17
6731817 Apparatus and method for forming an image by processing input image data while suppressing banding and dropout Hiromi Okubo 2004-05-04
6556707 Method and apparatus for image processing for performing a color conversion Takahiro Yagishita, Yukiko Yamazaki, Nekka Matsuura, Hiromi Okubo, Hiroshi Ishii 2003-04-29
5960246 Image forming apparatus with powder pump Nobuo Kasahara, Satoshi Muramatsu 1999-09-28
5797074 Image forming system Nobuo Kasahara, Satoshi Muramatsu 1998-08-18
5708949 Image fixing device for image forming apparatus Nobuo Kasahara, Yasuhiko Taguchi, Katsuhiro Echigo, Jun Yura 1998-01-13
5482265 Sheet feeder for an image forming apparatus Yasushi Nakazato, Tetsuo Yamanaka, Hiroshi Hosokawa 1996-01-09
5464200 Sheet storing device with locking bins Yasushi Nakazato, Makoto Tanaka, Kohki Sakamoto, Hisayo Kondo, Rikio Kasahara +1 more 1995-11-07