P

Inventor

YAMAGUCHI HISASHI

JP83 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

28 patents
US6552760B1Apr 22, 2003

Luminaire with improved light utilization efficiency

FUJITSU LTD89 citations98
US6481854B1Nov 19, 2002

Projection type display apparatus having air cooling arrangement

FUJITSU LTD107 citations98
US5764412AJun 9, 1998

Polarization separation/conversion device for polarized lighting apparatus and projection display unit

FUJITSU LTD118 citations98
US4550310AOct 29, 1985

Touch sensing device

FUJITSU LTD162 citations98
US5196738AMar 23, 1993

Data driver circuit of liquid crystal display for achieving digital gray-scale

FUJITSU LTD116 citations97
US6379010B1Apr 30, 2002

Projection type display

FUJITSU LTD57 citations96
US6222515B1Apr 24, 2001

Apparatus for controlling data voltage of liquid crystal display unit to achieve multiple gray-scale

FUJITSU LTD98 citations96
US6111700AAug 29, 2000

Optical display device having a reflection-type polarizer

FUJITSU LTD51 citations96
US5959704ASep 28, 1999

Display device having diffraction grating

FUJITSU LTD55 citations96
US5517207AMay 14, 1996

Method and a system for driving a display panel of matrix type

FUJITSU LTD74 citations96
US4680430AJul 14, 1987

Coordinate detecting apparatus

FUJITSU LTD117 citations96
US4556871ADec 3, 1985

Touch sensing device

FUJITSU LTD54 citations96
US5860719AJan 19, 1999

Optical apparatus and cooling method thereof

FUJITSU LTD110 citations95
US4368467AJan 11, 1983

Display device

FUJITSU LTD67 citations94
US6246506B1Jun 12, 2001

Optical display device having a reflection-type polarizer

FUJITSU LTD41 citations93
US5847792ADec 8, 1998

Active matrix type liquid crystal display panel and projection type display device with light shielding film formed on top of active devices and between pixel electrodes

FUJITSU LTD37 citations93
US5506642AApr 9, 1996

Projector with plastic mirror

FUJITSU LTD32 citations92
US4567470AJan 28, 1986

Touch sensing device

FUJITSU LTD42 citations92
US5307084AApr 26, 1994

Method and apparatus for driving a liquid crystal display panel

FUJITSU LTD47 citations91
US4812034AMar 14, 1989

Projection type liquid crystal display device

FUJITSU LTD23 citations81
US4636789AJan 13, 1987

Method for driving a matrix type display

FUJITSU LTD23 citations80
US6819366B2Nov 16, 2004

Display device with condenser elements

FUJITSU LTD8 citations74
US6559910B2May 6, 2003

Display device with condenser elements

FUJITSU LTD12 citations74
US6392726B2May 21, 2002

Screen and production display apparatus using the same

FUJITSU LTD12 citations74
US5614780AMar 25, 1997

Light source for projection type display device

FUJITSU LTD8 citations74
US4458244AJul 3, 1984

Self shift type gas discharge panel driving system

FUJITSU LTD9 citations73
US4456909AJun 26, 1984

Method and circuit for selectively driving capacitive display cells in a matrix type display

FUJITSU LTD13 citations73
US4426646AJan 17, 1984

Self shift type gas discharge panel, driving system

FUJITSU LTD14 citations73

SHARP KK

9 patents
US7304703B1Dec 4, 2007

Vertically-aligned (VA) liquid crystal display device

SHARP KK122 citations99
US7227606B2Jun 5, 2007

Vertically-alligned (VA) liquid crystal display device

SHARP KK69 citations99
US7224421B1May 29, 2007

Vertically-aligned (VA) liquid crystal display device

SHARP KK108 citations99
US6724452B1Apr 20, 2004

Vertically aligned (VA) liquid crystal display device

SHARP KK484 citations99
US7133015B1Nov 7, 2006

Apparatus and method to improve quality of moving image displayed on liquid crystal display device

SHARP KK85 citations98
US7965363B2Jun 21, 2011

Vertically-aligned (VA) liquid crystal display device

SHARP KK9 citations92
US7821603B2Oct 26, 2010

Vertically-alligned (VA) liquid crystal display device

SHARP KK10 citations92
US7760305B2Jul 20, 2010

Liquid crystal display device with multiple alignment structures

SHARP KK11 citations92
US7494259B2Feb 24, 2009

Lighting unit

SHARP KK14 citations84

SEIKO EPSON CORP

5 patents
US5796852AAug 18, 1998

System and method for electronic volume control of audio signals

SEIKO EPSON CORP19 citations93
US5596651AJan 21, 1997

System and method for electronic volume control of audio signals

SEIKO EPSON CORP18 citations93
US7148740B2Dec 12, 2006

Boost circuit and semiconductor integrated circuit

SEIKO EPSON CORP15 citations84
US6476591B2Nov 5, 2002

Power supply device for driving liquid crystal, liquid crystal device and electronic equipment using the same

SEIKO EPSON CORP10 citations73
US6342782B1Jan 29, 2002

Power supply device for driving liquid crystal, liquid crystal device and electronic equipment using the same

SEIKO EPSON CORP8 citations73

NEC CORP

2 patents
US6552709B1Apr 22, 2003

Power-on display driving method and display driving circuit

NEC CORP43 citations93
US6329975B1Dec 11, 2001

Liquid-crystal display device with improved interface control

NEC CORP28 citations93

FUJITSU DISPLAY TECH

1 patent
US6655810B2Dec 2, 2003

Lighting unit

FUJITSU DISPLAY TECH75 citations98

TAKEDA ARIHIRO

1 patent
US8134671B2Mar 13, 2012

Liquid crystal display device

TAKEDA ARIHIRO9 citations92

NEC LCD TECHNOLOGIES LTD

1 patent
US6987499B2Jan 17, 2006

Method for driving liquid crystal display, liquid crystal display device and monitor provided with the same

NEC LCD TECHNOLOGIES LTD42 citations92

HISAMITSU PHARMACEUTICAL CO

1 patent
US5820877AOct 13, 1998

Percutaneously administrable patch preparation

HISAMITSU PHARMACEUTICAL CO46 citations89

YAMAGISHI FUMIO

1 patent
US8269923B2Sep 18, 2012

Multilayer display element and method of fabricating the same

YAMAGISHI FUMIO13 citations80

FUJIFILM CORP

1 patent
US7796102B2Sep 14, 2010

Active matrix type display device

FUJIFILM CORP7 citations74

Showing the top 50 of 83 patents by PatentIndex Score.