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Yukiko Yamazaki

Ricoh Company: 13 patents #1,714 of 9,818Top 20%
Overall (All Time): #382,130 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9799929 Apparatus, apparatus authentication management system and apparatus authentication method Tsutomu Kawase, Yoshiaki Nishizaki, Takahisa Yamaguchi 2017-10-24
8086045 Image processing device with classification key selection unit and image processing method Koji Kobayashi, Hirohisa Inamoto 2011-12-27
7486411 Image processing device forming an image of stored image data together with additional information according to an image formation count Takahiro Yagishita 2009-02-03
7277585 Image encoding method, image encoding apparatus and storage medium Takahiro Yagishita 2007-10-02
7046387 Efficient coding of color images including monochrome images Takahiro Yagishita, Nekka Matsuura 2006-05-16
6985634 Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate Nekka Matsuura, Takahiro Yagishita 2006-01-10
6788811 Coding apparatus, decoding apparatus, coding method, decoding method, amd computer-readable recording medium for executing the methods Nekka Matsuura, Takahiro Yagishita 2004-09-07
6714685 Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate Nekka Matsuura, Takahiro Yagishita 2004-03-30
6704455 Image processing system and image processing method Takahiro Yagishita, Nekka Matsuura 2004-03-09
6603884 Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate Nekka Matsuura, Takahiro Yagishita 2003-08-05
6556707 Method and apparatus for image processing for performing a color conversion Takahiro Yagishita, Nekka Matsuura, Hiromi Okubo, Hiroyuki Shibaki, Hiroshi Ishii 2003-04-29
6519052 Image processing method and apparatus to select a data compression method according to a size of an output image Shogo Oneda, Takahiro Yagishita, Nekka Matsuura 2003-02-11
6459816 Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate Nekka Matsuura, Takahiro Yagishita 2002-10-01