Inventor

ARAI YOSHIFUMI

JP31 patents

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

ARAI YOSHIFUMI

SEIKO EPSON CORP

Accuracy of color conversion profile

Production of color conversion profile for printing

Production of color conversion profile for printing

Production of color conversion profile for printing

Production of color space conversion profile based on correspondence of grid points and ink amounts

Smoothing lattice positions

Print controller, method and program for print control, color conversion table, and method for determining ink quantity

Smoothing of dispositions of lattice points for creation of profile

System for offering color conversion profile capable of color conversion with high accuracy

Accuracy of color conversion profile

Method for forming color conversion table, apparatus for forming color conversion table, program for forming color conversion table and printing apparatus

Printer, print control program, medium having print control program recorded therein, and printing method

Printing device, printing method, and printing control program product

Accuracy of color conversion profile

Color matching server, color matching client, print control server, print control client, print control system, print control process, medium on which print control program is stored profile providing server and profile demanding client

Printing control according to combinations of color materials

Calibration curve creating method and calibration curve creation apparatus

Simulation of print via a network

Printing control device, printing control method, and medium recording printing control program

Method of producing color conversion table, image processing device, image processing method, program and recording medium

Determination of the combination of ink amount for realizing the specified colors

Determining method for lattice point for correspondence definition data creation and image processor

Predicting graininess index on printing medium when printing according to any ink quantity set based on a graininess profile

Production of a color conversion profile utilizing comparison of spectral reflectance data and comparative colors

TOYO INK MFG CO

Method and apparatus for correction of color shifts due to illuminant changes

Color matching apparatus for reproducing the same color under different illuminants

Apparatus for reproducing color images

Method and device for nonlinear transformation of colour information by neural network

USUI SHIRO

Color correcting method and apparatus

ARAI YOSHIFUMI

Spectral estimation parameter generation device, method of generating spectral estimation parameter, and spectral estimation device

KANAI MASASHI

Feature value estimation device and corresponding method, and spectral image processing device and corresponding method