Inventor
YOSHII KATSUMASA
JP30 patents
⚠️ This page may combine multiple inventors who share the name “YOSHII KATSUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALPS ELECTRIC CO LTD
20 patentsUS6750930B2Jun 15, 2004
Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same
ALPS ELECTRIC CO LTD53 citations96
US5705096AJan 6, 1998
UV crosslinking compound, alignment film for LCD component and LCD component
ALPS ELECTRIC CO LTD50 citations95
US6947107B2Sep 20, 2005
Reflector which appears bright when viewed at specific angle and reflective liquid crystal display
ALPS ELECTRIC CO LTD55 citations93
US6606139B2Aug 12, 2003
Liquid crystal display device with improved viewing angle property and portable electronic apparatus using the same
ALPS ELECTRIC CO LTD35 citations92
US7123324B2Oct 17, 2006
Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same
ALPS ELECTRIC CO LTD6 citations74
US6829094B2Dec 7, 2004
Reflector which exhibits good reflectance over wide angle range and liquid crystal display using the same
ALPS ELECTRIC CO LTD6 citations74
US6686982B1Feb 3, 2004
Reflection type liquid crystal display device in which oblique moiré fringe is not easily viewed and which is superior in display quality
ALPS ELECTRIC CO LTD10 citations74
US6734934B2May 11, 2004
External reflective type liquid crystal display having substrate with light scattering surface and reflector with irregular surface
ALPS ELECTRIC CO LTD10 citations73
US7471356B2Dec 30, 2008
Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same
ALPS ELECTRIC CO LTD1 citations63
US7321407B2Jan 22, 2008
Reflector and liquid crystal display
ALPS ELECTRIC CO LTD6 citations63
US6912028B2Jun 28, 2005
Liquid crystal display device with improved viewing angle properly and portable electronic apparatus using the same
ALPS ELECTRIC CO LTD2 citations63
US6863410B2Mar 8, 2005
Reflector which exhibits good reflectance over wide angle range and liquid crystal display using the same
ALPS ELECTRIC CO LTD2 citations63
US6695454B2Feb 24, 2004
Reflector which exhibits good reflectance over wide angle range and liquid crystal display using the same
ALPS ELECTRIC CO LTD2 citations63
US6864934B2Mar 8, 2005
LCD with irregular reflection surface reflector and light scattering element
ALPS ELECTRIC CO LTD4 citations62
US7542113B2Jun 2, 2009
Reflector used in LCD devices having a plurality of convace portions each inner surface thereof having first and second flat surfaces perpendicular to respective first and second directions
ALPS ELECTRIC CO LTD5 citations57
US6966662B2Nov 22, 2005
Reflector and liquid crystal display device
ALPS ELECTRIC CO LTD2 citations57
US7515226B2Apr 7, 2009
Reflector providing particularly high reflectance in an intended viewing angle and reflection type liquid crystal display device using the same
ALPS ELECTRIC CO LTD0 citations52
US7388634B2Jun 17, 2008
Reflector comprising a plurality of concave portions and liquid crystal display device including the same
ALPS ELECTRIC CO LTD1 citations52
US7312842B2Dec 25, 2007
Reflector and liquid crystal display device
ALPS ELECTRIC CO LTD0 citations52
US7245339B2Jul 17, 2007
Transflective film and liquid crystal display device
ALPS ELECTRIC CO LTD0 citations52
SAMSUNG DISPLAY CO LTD
8 patentsUS9356079B2May 31, 2016
Organic light-emitting display apparatus and method of manufacturing the same
SAMSUNG DISPLAY CO LTD6 citations83
US11741739B2Aug 29, 2023
Fingerprint sensor and display device including the same
SAMSUNG DISPLAY CO LTD3 citations73
US10817696B2Oct 27, 2020
Fingerprint sensor package and display device including the same
SAMSUNG DISPLAY CO LTD4 citations73
US10509944B2Dec 17, 2019
Method and device for recognizing fingerprint
SAMSUNG DISPLAY CO LTD4 citations73
US9640782B2May 2, 2017
Organic light-emitting display apparatus and method of manufacturing the same
SAMSUNG DISPLAY CO LTD4 citations72
US10977468B2Apr 13, 2021
Optical unit for a fingerprint sensor and display device including the same
SAMSUNG DISPLAY CO LTD0 citations62
US9484554B2Nov 1, 2016
Organic light-emitting display apparatus
SAMSUNG DISPLAY CO LTD2 citations60
US10278652B2May 7, 2019
Display apparatus
SAMSUNG DISPLAY CO LTD0 citations52