HS

Hiroyuki Sakuyama

Ricoh Company: 54 patents #183 of 9,818Top 2%
Overall (All Time): #46,937 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #TitleCo-InventorsDate
7031541 System, method and program for improved color image signal quantization 2006-04-18
7013049 Image processing scheme 2006-03-14
6226011 Color conversion method for a color matching, a method for expanding a function of a program module and a color conversion method using the method for expanding a function of a program module Hisao Shirasawa, Mitsuhisa Kanaya, Takanori Yano 2001-05-01
6137595 Color conversion processing method for color matching and a processor readable medium storing a program for implementing the color conversion processing method Hisao Shirasawa 2000-10-24