Inventor
UTSUMI YUKA
JP50 patents
⚠️ This page may combine multiple inventors who share the name “UTSUMI YUKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS6137560AOct 24, 2000
Active matrix type liquid crystal display apparatus with light source color compensation
HITACHI LTD65 citations96
US7180490B2Feb 20, 2007
Liquid crystal display apparatus
HITACHI LTD20 citations93
US7019799B2Mar 28, 2006
Liquid crystal display with optical adjustment layer controlling transmittance of emitted light in accordance with wavelength
HITACHI LTD17 citations93
US6859194B2Feb 22, 2005
Liquid crystal display apparatus
HITACHI LTD25 citations93
US6441880B1Aug 27, 2002
Normally closed liquid crystal display device using spacers coated with material having liquid crystal aligning ability by irradiation with polarized light
HITACHI LTD29 citations92
US6646699B2Nov 11, 2003
Liquid crystal display with band-pass filter
HITACHI LTD9 citations74
US5835175ANov 10, 1998
Liquid crystal display apparatus
HITACHI LTD10 citations74
US7433012B2Oct 7, 2008
Active matrix type liquid crystal display apparatus
HITACHI LTD2 citations63
US7209211B2Apr 24, 2007
Active matrix type liquid crystal display apparatus
HITACHI LTD2 citations63
US6850293B2Feb 1, 2005
Liquid crystal display with absorber having absorption and permeability characteristics
HITACHI LTD2 citations63
US6621538B1Sep 16, 2003
Active matrix type liquid crystal display apparatus including liquid crystal layer having different thicknesses at portions where different colors of light are transmitted
HITACHI LTD3 citations63
US7061456B2Jun 13, 2006
Image display method and image display apparatus
HITACHI LTD6 citations61
US6757044B2Jun 29, 2004
Liquid crystal display device with spacers controlling thickness of liquid crystal layer
HITACHI LTD5 citations60
US7684005B2Mar 23, 2010
Active matrix type liquid crystal display apparatus
HITACHI LTD0 citations52
SHARP KK
14 patentsUS10823477B2Nov 3, 2020
Thermal energy storage member and storage container using the same, and refrigerator using the same
SHARP KK2 citations71
US10101095B2Oct 16, 2018
Heat storage capsule and heat storage member using the same
SHARP KK2 citations71
US9523539B2Dec 20, 2016
Latent heat storage member and building material provided with same, microcapsules and thermal storage material using microcapsules
SHARP KK3 citations71
US12371615B2Jul 29, 2025
Method of treating quantum dot-containing aqueous solution
SHARP KK0 citations62
US10179686B2Jan 15, 2019
Storage container with heat storage material that provides heat to shelf included in storage container
SHARP KK1 citations60
US11130896B2Sep 28, 2021
Heat-storage material and refrigerator and cooling container that include the heat-storage material
SHARP KK0 citations58
US10919683B2Feb 16, 2021
Thermal energy storage pack, thermal exchange unit, and manufacturing method of thermal energy storage pack
SHARP KK0 citations58
US11884869B2Jan 30, 2024
Latent heat storage material, and cold storage tool, logistic packaging container, food cold storage tool and cooling method each using same
SHARP KK0 citations57
US12404436B2Sep 2, 2025
Latent heat storage material, cold storage tool, distribution packing container, and cold storage tool for food
SHARP KK0 citations55
US10214672B2Feb 26, 2019
Heat-storage material, and heat-storage member, storage container, transportation/storage container, construction material, and architectural structure using the same
SHARP KK0 citations51
US9841219B2Dec 12, 2017
Storage container
SHARP KK1 citations50
US9701927B2Jul 11, 2017
Cleaning solution, cleaning tool, and cleaning kit
SHARP KK0 citations49
US11285042B2Mar 29, 2022
Cooling tool and treatment tool used in cryotherapy
SHARP KK0 citations46
US11884868B2Jan 30, 2024
Latent heat storage material, and cold storage tool, logistic packaging container, transportation method, human body refrigeration tool and cold storage tool for beverages each using same
SHARP KK0 citations43
UTSUMI YUKA
8 patentsUS8059235B2Nov 15, 2011
Liquid crystal display
UTSUMI YUKA38 citations92
US8488089B2Jul 16, 2013
Liquid crystal panel and liquid crystal display device
UTSUMI YUKA2 citations62
US8339356B2Dec 25, 2012
Liquid crystal display apparatus capable of maintaining high color purity
UTSUMI YUKA5 citations62
US8237893B2Aug 7, 2012
Liquid crystal display device
UTSUMI YUKA2 citations62
US8208099B2Jun 26, 2012
Transmissive type liquid crystal display comprising a main pixel region having a first color filter and a sub-pixel region having a second color filter having a higher transmittance
UTSUMI YUKA5 citations62
US8259262B2Sep 4, 2012
Liquid crystal display apparatus having particular polarizers
UTSUMI YUKA0 citations52
US8879030B2Nov 4, 2014
Active matrix type liquid crystal display apparatus with complementary polarizer
UTSUMI YUKA0 citations41
US8553179B2Oct 8, 2013
Liquid crystal display device
UTSUMI YUKA0 citations41
HITACHI DISPLAYS LTD
7 patentsUS7489374B2Feb 10, 2009
Liquid crystal display
HITACHI DISPLAYS LTD188 citations98
US7460103B2Dec 2, 2008
Liquid crystal display apparatus with luminance distribution calculating, backlight controller, and video correction to improve display contrast ratio
HITACHI DISPLAYS LTD118 citations98
US7911541B2Mar 22, 2011
Liquid crystal display device
HITACHI DISPLAYS LTD8 citations84
US7920238B2Apr 5, 2011
Polarizer and liquid-crystal display apparatus having reduced polarization state in oblique viewing angles
HITACHI DISPLAYS LTD4 citations63
US7893903B2Feb 22, 2011
Liquid crystal display apparatus capable of maintaining high color purity
HITACHI DISPLAYS LTD4 citations63
US7804558B2Sep 28, 2010
Liquid crystal display
HITACHI DISPLAYS LTD4 citations63
US7898638B2Mar 1, 2011
Liquid-crystal display device
HITACHI DISPLAYS LTD0 citations52
IDE TETSUYA
3 patentsUS9624022B2Apr 18, 2017
Storage container utilizing two different heat insulating materials in combination with a temperature control unit and a heat storage material placed within the container
IDE TETSUYA2 citations69
US9482473B2Nov 1, 2016
Gelatinous latent heat storage member with benard cell regions
IDE TETSUYA0 citations38
US9091474B2Jul 28, 2015
Storage container
IDE TETSUYA0 citations38