Inventor
SEKIGUCHI YOSHIFUMI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “SEKIGUCHI YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI HIGH TECH CORP
10 patentsUS11694873B2Jul 4, 2023
Charged particle beam apparatus
HITACHI HIGH TECH CORP2 citations72
US11515120B2Nov 29, 2022
Charged particle beam apparatus
HITACHI HIGH TECH CORP4 citations72
US10641607B2May 5, 2020
Height detection apparatus and charged particle beam apparatus
HITACHI HIGH TECH CORP5 citations71
US12545837B2Feb 10, 2026
Phosphor, light source using same, biochemical analysis device, and method for producing phosphor
HITACHI HIGH TECH CORP0 citations62
US12072454B2Aug 27, 2024
Scintillator, measuring device, mass spectrometer, and electron microscope
HITACHI HIGH TECH CORP0 citations62
US10593512B2Mar 17, 2020
Light guide, detector having light guide, and charged particle beam device
HITACHI HIGH TECH CORP1 citations62
US11906420B2Feb 20, 2024
Light source and biochemical analyzer
HITACHI HIGH TECH CORP0 citations61
US10679821B1Jun 9, 2020
Light guide, detector having light guide, and charged particle beam device
HITACHI HIGH TECH CORP0 citations52
US12385861B2Aug 12, 2025
Charged particle detector, charged particle ray device, radiation detector, and radiation detection device
HITACHI HIGH TECH CORP0 citations48
US12339407B2Jun 24, 2025
Device for detecting charged particles or radiation
HITACHI HIGH TECH CORP0 citations42
HITACHI DISPLAYS LTD
9 patentsUS7661844B2Feb 16, 2010
Illuminating device and liquid-crystal display device using the same
HITACHI DISPLAYS LTD46 citations96
US8004545B2Aug 23, 2011
Display apparatus with arrangement to decrease quantity of backlight and increase transmittance of the display panel
HITACHI DISPLAYS LTD15 citations84
US7982709B2Jul 19, 2011
Illuminating device and liquid-crystal display device using the same
HITACHI DISPLAYS LTD12 citations84
US7824049B2Nov 2, 2010
Illumination device and display device incorporating the same
HITACHI DISPLAYS LTD8 citations84
US7508370B2Mar 24, 2009
Liquid-crystal display device and method of driving liquid-crystal display device
HITACHI DISPLAYS LTD8 citations84
US8384845B2Feb 26, 2013
Liquid crystal display device and illuminating device
HITACHI DISPLAYS LTD3 citations63
US7944526B2May 17, 2011
Liquid crystal display device with a backlight unit having a diffusion plate
HITACHI DISPLAYS LTD2 citations63
US7705930B2Apr 27, 2010
Liquid crystal display device with a backlight unit having a diffusion plate
HITACHI DISPLAYS LTD3 citations63
US7990491B2Aug 2, 2011
Liquid crystal display device
HITACHI DISPLAYS LTD0 citations42
SEKIGUCHI YOSHIFUMI
6 patentsUS8089582B2Jan 3, 2012
Liquid crystal display device comprising at least one groove having an end portion that stops short of the non-adjacent opposite side surfaces and extends in a direction perpendicular to the non-adjacent side surfaces
SEKIGUCHI YOSHIFUMI31 citations92
US8659718B2Feb 25, 2014
Liquid crystal display device
SEKIGUCHI YOSHIFUMI10 citations82
US8194203B2Jun 5, 2012
Liquid crystal display device
SEKIGUCHI YOSHIFUMI6 citations72
US8421957B2Apr 16, 2013
Illuminating device and liquid-crystal display device using the same
SEKIGUCHI YOSHIFUMI2 citations62
US8164712B2Apr 24, 2012
Liquid crystal display device
SEKIGUCHI YOSHIFUMI2 citations62
US8780298B2Jul 15, 2014
Liquid crystal display device
SEKIGUCHI YOSHIFUMI0 citations41
JAPAN DISPLAY INC
5 patentsUS11347100B2May 31, 2022
Color display device
JAPAN DISPLAY INC4 citations84
US10935834B2Mar 2, 2021
Color display device
JAPAN DISPLAY INC3 citations84
US10551664B2Feb 4, 2020
Color display, liquid crystal display, and semi-transmissive liquid crystal display
JAPAN DISPLAY INC8 citations84
US11650450B2May 16, 2023
Color display device
JAPAN DISPLAY INC2 citations73
US9626918B2Apr 18, 2017
Color display, liquid crystal display, and semi-transmissive liquid crystal display
JAPAN DISPLAY INC2 citations73
HITACHI LTD
5 patentsUS7905616B2Mar 15, 2011
Illumination unit and display unit incorporating the same
HITACHI LTD7 citations84
US7477223B2Jan 13, 2009
Liquid-crystal display device and method of driving liquid-crystal display device
HITACHI LTD13 citations82
US10566503B2Feb 18, 2020
Multilayer glass
HITACHI LTD0 citations52
US11398055B2Jul 26, 2022
Color evaluation device, color evaluation method, and indication object used in color evaluation method
HITACHI LTD0 citations50
US7855760B2Dec 21, 2010
Liquid crystal display apparatus
HITACHI LTD0 citations42