Inventor

SEKIZAWA HIDEKAZU

JP39 patents

⚠️ This page may combine multiple inventors who share the name “SEKIZAWA HIDEKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEKIZAWA HIDEKAZU

TOSHIBA KK

Image recorded product, image recording system, image reproducing system, and recording medium for use to superimpose-record/reproduce additional information

Image processing apparatus using pattern generating circuits to process a color image

Image correction method and apparatus with partial detector array sampling

Color image printing system capable of correcting density deviation on image and system for detecting color deviation on image

Color image correction device for correcting phase and resolution characteristics of a copy image using different color signal components

Brightness referenced color image correcting apparatus

Image signal processing apparatus for use in color image reproduction

Color image processing apparatus with image corrector

Image information signal processing apparatus for improving reproduced image quality by discriminating the type of input image and selecting a particular processing in accordance therewith

Ink amount indicative signal correcting apparatus for reducing dispersion degree of overlapping of color inks for each pixel in a color image printer system

Error diffusion method in a multi-level image recording apparatus utilizing adjacent-pixel characteristics

Image recording apparatus for representing a halftone by use of a plurality of recorded dots

Image processing apparatus

Image layout apparatus for performing pattern modification such as coloring of an original image

Color image-processing apparatus

Color picture reader and method for operating the same

Optical color document reading apparatus wherein an image is blurred on a color image sensor to minimize color moire phenomenon effects

Color image copying apparatus

Image forming apparatus and method of controlling the apparatus

Color signal processing apparatus with a signal interpolation function for use in a color copier

Apparatus and method for image forming

Image processing device and image forming apparatus

System and method for coding and/or decoding image including bit-map of different levels

Apparatus for distinguishing image portions through image expansion

Image sensing apparatus with shading compensation

Method for recording a color image

Apparatus and method for image forming

Apparatus and method for image forming

Image reading apparatus, image forming apparatus, and image forming method

TOKYO SHIBAURA ELECTRIC CO

Apparatus for inspecting defects in a periodic pattern

Apparatus for inspecting defects in a periodic pattern

Apparatus for detecting the defects of the mask pattern using spatial filtering

Picture signal processing system featuring simple or dithering binarization processing selected in response to local variations in picture density

Apparatus for detecting the defects of a pattern with directional characteristics using a filter having arm sections of curved shape

Optimized spatial filter for defect detection

Apparatus for inspecting average size of fundamental patterns

Apparatus for measuring the area of image portion of image-bearing member

Apparatus for optically measuring the distance between two grating-like structures and the size of periodic pattern elements forming one of the grating-like structures

TOSHIBA TEC KK

Multiple recognition image processing apparatus