P

Inventor

YAMAMOTO YUKO

JP67 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO YUKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEIKO EPSON CORP

38 patents
US6863374B2Mar 8, 2005

Image printing using print quality enhancing ink

SEIKO EPSON CORP23 citations93
US6698875B2Mar 2, 2004

Ink set and ink cartridge and recording method, recording material and recording apparatus

SEIKO EPSON CORP20 citations93
US6851794B2Feb 8, 2005

Reduction of dependence of color appearance on light source

SEIKO EPSON CORP14 citations92
US6637861B2Oct 28, 2003

Reduction of dependence of color appearance on light source

SEIKO EPSON CORP29 citations92
US6341833B1Jan 29, 2002

Print control apparatus, printing apparatus, print control method, printing method, recording medium, and method for setting up color conversion table

SEIKO EPSON CORP21 citations91
US7959725B2Jun 14, 2011

Ink set, recording method, recording device, recording system, and recorded object

SEIKO EPSON CORP11 citations84
US7562956B2Jul 21, 2009

Image printing using print quality enhancing ink

SEIKO EPSON CORP8 citations84
US7237866B2Jul 3, 2007

Image printing using print quality enhancing ink

SEIKO EPSON CORP10 citations84
US7466448B2Dec 16, 2008

Color separation into plural ink components including primary color ink and spot color ink

SEIKO EPSON CORP15 citations83
US7436543B2Oct 14, 2008

Color separation based on ink characteristics

SEIKO EPSON CORP11 citations83
US10412270B2Sep 10, 2019

Ink amount upper limit setting method and non-transitory computer readable medium for storing program of ink amount upper limit setting method

SEIKO EPSON CORP4 citations73
US8882227B2Nov 11, 2014

Liquid discharge apparatus

SEIKO EPSON CORP2 citations63
US8018619B2Sep 13, 2011

Simulation of print via a network

SEIKO EPSON CORP2 citations63
US7883168B2Feb 8, 2011

Reduction of dependence of color appearance on light source

SEIKO EPSON CORP2 citations63
US7859715B2Dec 28, 2010

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

SEIKO EPSON CORP4 citations63
US7552988B2Jun 30, 2009

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

SEIKO EPSON CORP4 citations63
US7234793B2Jun 26, 2007

Image printing using print quality enhancing ink

SEIKO EPSON CORP3 citations63
US12020094B2Jun 25, 2024

Image processing device, printing system, and non-transitory computer-readable storage medium storing image processing program that render three dimensional (3D) object

SEIKO EPSON CORP0 citations62
US11989473B1May 21, 2024

Image processing device, printing system, and non-transitory computer-readable storage medium storing image processing program

SEIKO EPSON CORP1 citations62
US11895283B2Feb 6, 2024

Image analyzer determines in-use ink information using image data according to preset conditions and acquires prespecified image quality information when image is printed

SEIKO EPSON CORP0 citations62
US11579816B2Feb 14, 2023

Printing condition setting method, printing condition setting system

SEIKO EPSON CORP0 citations62
US11385844B2Jul 12, 2022

Printing system and printing method

SEIKO EPSON CORP1 citations62
US7715042B2May 11, 2010

Color separation into a plurality of ink components including primary color ink and spot color ink

SEIKO EPSON CORP7 citations62
US11297208B2Apr 5, 2022

Method of creating teacher data, color prediction model creation apparatus, and method of creating color prediction model

SEIKO EPSON CORP0 citations61
US7880929B2Feb 1, 2011

Image data conversion into substitute ink quantities to differentiate an area in a first image where a second image is embedded

SEIKO EPSON CORP4 citations61
US11321026B2May 3, 2022

Color value prediction system and generation method for color value predictor

SEIKO EPSON CORP0 citations52
US11297206B2Apr 5, 2022

Color prediction model creation using a first model to create a second model

SEIKO EPSON CORP0 citations52
US11049222B2Jun 29, 2021

Smoothing method, smoothing device, and storage medium storing smoothing program

SEIKO EPSON CORP0 citations52
US9044950B2Jun 2, 2015

Printing apparatus and printing method

SEIKO EPSON CORP1 citations52
US9028028B2May 12, 2015

Defective printer nozzle compensation control

SEIKO EPSON CORP0 citations52
US7549717B2Jun 23, 2009

Reduction of dependence of color appearance on light source

SEIKO EPSON CORP0 citations52
US12486131B2Dec 2, 2025

Print medium identification method and print medium identification system

SEIKO EPSON CORP0 citations51
US12481853B2Nov 25, 2025

Image processing device and image processing program

SEIKO EPSON CORP0 citations51
US12321648B2Jun 3, 2025

Image processing device for previewing image to be printed on 3D object

SEIKO EPSON CORP0 citations51
US11909938B2Feb 20, 2024

Printing method including gradation region ink amount calculation step

SEIKO EPSON CORP0 citations51
US11616892B2Mar 28, 2023

Printing system, print medium specifying method, and medium information providing device

SEIKO EPSON CORP0 citations51
US12597120B2Apr 7, 2026

Printed image defect discrimination device and method displaying detected defects in list by type in display mode according to state of defect

SEIKO EPSON CORP0 citations50
US12423802B2Sep 23, 2025

Defect discrimination apparatus for printed images and defect discrimination method

SEIKO EPSON CORP0 citations50

NITTO DENKO CORP

2 patents

ASHWELL MARK A

2 patents

YAMAMOTO YUKO

2 patents

DAIICHI SANKYO CO LTD

1 patent

DENSO CORP

1 patent

TOSHIBA KK

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

PANASONIC IP CORP AMERICA

1 patent

KAWATA KAYOKO

1 patent

Showing the top 50 of 67 patents by PatentIndex Score.