P

Inventor

UMEMOTO SEIJI

JP102 patents
⚠️ This page may combine multiple inventors who share the name “UMEMOTO SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NITTO DENKO CORP

45 patents
US6742921B2Jun 1, 2004

Light pipe, plate light source unit and reflection type liquid-crystal display device

NITTO DENKO CORP82 citations98
US6603520B2Aug 5, 2003

Optical film and liquid-crystal display device

NITTO DENKO CORP77 citations98
US5727107AMar 10, 1998

Light guide plate, surface light source device, polarized light source device and liquid crystal display

NITTO DENKO CORP159 citations98
US6982432B2Jan 3, 2006

Touch type liquid-crystal display device and input detecting method

NITTO DENKO CORP82 citations97
US6199995B1Mar 13, 2001

Light guide plate, planer light source unit and reflection-type liquid-crystal display device

NITTO DENKO CORP127 citations97
US5998096ADec 7, 1999

Process for producing polymerization or crosslinking rate-distributed article and process for producing lens, lens array or waveguide using the process

NITTO DENKO CORP109 citations97
US6891530B2May 10, 2005

Touch panel-including illuminator and reflective liquid-crystal display device

NITTO DENKO CORP115 citations96
US6751023B2Jun 15, 2004

Optical film

NITTO DENKO CORP67 citations96
US6747801B2Jun 8, 2004

Optical film and liquid-crystal display device

NITTO DENKO CORP55 citations96
US6693690B2Feb 17, 2004

Reflective liquid-crystal display device

NITTO DENKO CORP78 citations96
US6659615B2Dec 9, 2003

Light pipe and method for producing the same

NITTO DENKO CORP56 citations96
US6196692B1Mar 6, 2001

Light conductive plate , surface light source device, and reflection type liquid-crystal display

NITTO DENKO CORP51 citations96
US6950155B2Sep 27, 2005

Liquid-crystal display device

NITTO DENKO CORP34 citations93
US6917473B2Jul 12, 2005

Optical film and liquid-crystal display device

NITTO DENKO CORP17 citations93
US6888595B2May 3, 2005

Reflector and liquid-crystal display device

NITTO DENKO CORP22 citations93
US6866393B2Mar 15, 2005

Reflective liquid crystal display

NITTO DENKO CORP45 citations93
US6795246B2Sep 21, 2004

Optical film, polarizer and display device

NITTO DENKO CORP43 citations93
US6768529B2Jul 27, 2004

Reflection-transmission double type liquid-crystal display device

NITTO DENKO CORP22 citations93
US6729736B2May 4, 2004

Light pipe, planar light source unit and reflection type liquid-crystal display device

NITTO DENKO CORP20 citations93
US6665029B2Dec 16, 2003

Optical path changing film and reflective liquid-crystal display device including same

NITTO DENKO CORP24 citations93
US6642976B2Nov 4, 2003

Glass substrate and liquid-crystal display device

NITTO DENKO CORP29 citations93
US6636358B2Oct 21, 2003

Optical film

NITTO DENKO CORP49 citations93
US6606193B2Aug 12, 2003

Polarizer

NITTO DENKO CORP26 citations93
US6590625B1Jul 8, 2003

Liquid-crystal display device

NITTO DENKO CORP29 citations93
US6542300B2Apr 1, 2003

Polarizer with composite phase compensation film

NITTO DENKO CORP39 citations93
US6369950B1Apr 9, 2002

Liquid-crystal display device and light pipe

NITTO DENKO CORP26 citations93
US6825895B2Nov 30, 2004

Liquid-crystal display apparatus

NITTO DENKO CORP45 citations92
US7030945B2Apr 18, 2006

Liquid-crystal display device

NITTO DENKO CORP34 citations91
US6366409B1Apr 2, 2002

Light pipe unit, plane light source unit and liquid-crystal display device

NITTO DENKO CORP32 citations90
US7742136B2Jun 22, 2010

Manufacturing method for sheet with anti-counterfeit functions

NITTO DENKO CORP11 citations84
US7633584B2Dec 15, 2009

Optical compensation plate, liquid crystal cell, and liquid crystal display device

NITTO DENKO CORP16 citations84
US7502081B2Mar 10, 2009

Reflection type liquid-crystal display device

NITTO DENKO CORP17 citations84
US7365816B2Apr 29, 2008

Liquid crystal display

NITTO DENKO CORP15 citations84
US7227685B2Jun 5, 2007

Optical film and liquid-crystal display device

NITTO DENKO CORP12 citations84
US7012660B1Mar 14, 2006

Liquid-crystal display device and light pipe

NITTO DENKO CORP14 citations84
US6961180B2Nov 1, 2005

Polarizer

NITTO DENKO CORP15 citations84
US6956630B2Oct 18, 2005

Reflection type liquid-crystal display apparatus

NITTO DENKO CORP15 citations84
US6927821B2Aug 9, 2005

Optically compensatory polarizer and liquid-crystal display device

NITTO DENKO CORP13 citations84
US6882474B2Apr 19, 2005

Optical path changing polarizer

NITTO DENKO CORP14 citations84
US6863413B1Mar 8, 2005

Plane light source unit and reflection type liquid-crystal display device

NITTO DENKO CORP14 citations84
US6778235B2Aug 17, 2004

Liquid crystal display apparatus having light pipe with reflective polarizer

NITTO DENKO CORP15 citations84
US6667835B2Dec 23, 2003

Optical film, polarizer and display device

NITTO DENKO CORP16 citations84
US6667787B2Dec 23, 2003

Polarizer

NITTO DENKO CORP13 citations84
US6554440B2Apr 29, 2003

Light pipe, plane light source unit and liquid-crystal display device

NITTO DENKO CORP14 citations84
US6467923B1Oct 22, 2002

Light pipe, planar light source unit and liquid-crystal display device

NITTO DENKO CORP17 citations84

HITACHI LTD

2 patents
US6704070B2Mar 9, 2004

Method for manufacturing a light guide plate

HITACHI LTD15 citations93
US6700632B2Mar 2, 2004

Illuminator apparatus

HITACHI LTD28 citations93

NAKAZONO TAKUYA

1 patent
US8414993B2Apr 9, 2013

Roll of continuous web of optical film laminate with predefined slit lines, and method and system for manufacturing the same

NAKAZONO TAKUYA16 citations92

NITTO DENKI CORP

1 patent
US6507378B1Jan 14, 2003

Reflection type liquid-crystal display unit

NITTO DENKI CORP42 citations91

UMEMOTO SEIJI

1 patent
US8982300B2Mar 17, 2015

Viewing angle controlling system, and image display device using the same

UMEMOTO SEIJI12 citations84

Showing the top 50 of 102 patents by PatentIndex Score.