Inventor
MATSUSHIRO NOBUHITO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “MATSUSHIRO NOBUHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKI DATA KK
15 patentsUS6459817B1Oct 1, 2002
Image-processing method and apparatus generating pseudo-tone patterns with improved regularity
OKI DATA KK19 citations92
US6243416B1Jun 5, 2001
Image coding and decoding methods, image coder, and image decoder
OKI DATA KK49 citations92
US6201612B1Mar 13, 2001
Image processing method and apparatus employing block error diffusion
OKI DATA KK65 citations91
US7015927B2Mar 21, 2006
Image processing apparatus and method of generating color mapping parameters
OKI DATA KK16 citations84
US6928397B1Aug 9, 2005
Method and device of image transform
OKI DATA KK16 citations83
US5694126ADec 2, 1997
Adaptive predictive data compression method and apparatus
OKI DATA KK18 citations83
US6954547B2Oct 11, 2005
Method of deriving spectral sensitivity characteristics for color image inputting device and apparatus for same
OKI DATA KK10 citations74
US5915042AJun 22, 1999
Coding and decoding methods and apparatus for compressing and expanding image data
OKI DATA KK14 citations73
US6356364B2Mar 12, 2002
Color correcting apparatus
OKI DATA KK9 citations72
US6301300B1Oct 9, 2001
Method and apparatus for efficiently coding and decoding sparse images
OKI DATA KK6 citations62
US7733523B2Jun 8, 2010
Image processing method, image processing apparatus, and image forming apparatus
OKI DATA KK2 citations60
US7421119B2Sep 2, 2008
Light source presuming method and apparatus
OKI DATA KK5 citations60
US6995781B2Feb 7, 2006
Print head and image forming apparatus
OKI DATA KK3 citations60
US7817853B2Oct 19, 2010
Image converting method and image converting apparatus
OKI DATA KK2 citations53
US6141035AOct 31, 2000
Video signal processing and apparatus therefor
OKI DATA KK0 citations37
OKI ELECTRIC IND CO LTD
4 patentsUS5115402AMay 19, 1992
Scan-conversion process and processor for converting a graphic primitive to a pixel map
OKI ELECTRIC IND CO LTD38 citations88
US4972330ANov 20, 1990
Clipping process and processor
OKI ELECTRIC IND CO LTD12 citations71
US5267184ANov 30, 1993
Apparatus and method for generating a figure by sequential segment approximation of a parametric cubic curve
OKI ELECTRIC IND CO LTD5 citations54
US4999797AMar 12, 1991
Method of and device for circle generation
OKI ELECTRIC IND CO LTD1 citations50