Inventor
HAYASHI KEIJI
JP69 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHI KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
12 patentsUS6552760B1Apr 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
US6379010B1Apr 30, 2002
Projection type display
FUJITSU LTD57 citations96
US5959704ASep 28, 1999
Display device having diffraction grating
FUJITSU LTD55 citations96
US6513936B1Feb 4, 2003
Projector
FUJITSU LTD34 citations92
US5838415ANov 17, 1998
Liquid crystal panel with reduced defects and an image projector using a liquid crystal panel as an optical spatial modulator
FUJITSU LTD16 citations82
US6819366B2Nov 16, 2004
Display device with condenser elements
FUJITSU LTD8 citations74
US6559910B2May 6, 2003
Display device with condenser elements
FUJITSU LTD12 citations74
US5938307AAug 17, 1999
Projection display apparatus using liquid crystal light bulb
FUJITSU LTD7 citations74
US7719502B2May 18, 2010
Liquid crystal display device and television receiver set
FUJITSU LTD3 citations63
US6135598AOct 24, 2000
Optical device with light path changing element and projection-type display apparatus
FUJITSU LTD3 citations63
SHARP KK
10 patentsUS7073933B2Jul 11, 2006
Light guide plate, light source device equipped therewith and display device
SHARP KK157 citations99
US7163331B2Jan 16, 2007
Lighting unit and display device
SHARP KK47 citations93
US7494259B2Feb 24, 2009
Lighting unit
SHARP KK14 citations84
US7541723B2Jun 2, 2009
Backlight having a polarization separating element
SHARP KK5 citations74
US7309146B2Dec 18, 2007
Backlight having discharge tube, reflector and heat conduction member contacting discharge tube
SHARP KK7 citations74
US7164224B2Jan 16, 2007
Backlight having discharge tube, reflector and heat conduction member contacting discharge tube
SHARP KK8 citations74
US7465989B2Dec 16, 2008
High withstand voltage trenched MOS transistor and manufacturing method thereof
SHARP KK5 citations63
US7169005B2Jan 30, 2007
Method of producing a backlight having a discharge tube containing mercury
SHARP KK3 citations63
US6440802B1Aug 27, 2002
Process for fabricating semiconductor device and photolithography mask
SHARP KK6 citations63
US8049711B2Nov 1, 2011
Illumination device and liquid crystal display device using the same
SHARP KK4 citations62
NITTO DENKO CORP
8 patentsUS6358600B1Mar 19, 2002
Sheet for protecting paint film
NITTO DENKO CORP22 citations92
US6083613AJul 4, 2000
Sheet for protecting paint film
NITTO DENKO CORP18 citations92
US6037054AMar 14, 2000
Sheet for protecting paint film
NITTO DENKO CORP34 citations92
US5601917AFeb 11, 1997
Paint film-protective sheet
NITTO DENKO CORP34 citations92
US6395390B1May 28, 2002
Sheet for protecting paint films of automobiles
NITTO DENKO CORP13 citations73
US6844112B2Jan 18, 2005
Sheet for protecting paint films of automobiles
NITTO DENKO CORP3 citations62
US6335090B1Jan 1, 2002
Pressure-sensitive adhesive and surface protecting material comprising an isobutylene polymer
NITTO DENKO CORP6 citations62
US7556762B2Jul 7, 2009
Method of inflation extrusion molding, extrusion molding apparatus therefor, and process for producing pressure-sensitive adhesive sheet
NITTO DENKO CORP2 citations58
HAYASHI KEIJI
7 patentsUS8794779B2Aug 5, 2014
Lighting device, display device and television receiver
HAYASHI KEIJI7 citations84
US8791966B2Jul 29, 2014
Display device and electric apparatus
HAYASHI KEIJI3 citations63
US8415898B2Apr 9, 2013
Connector, a lamp connector, a lamp connection checking circuit, and an illumination device
HAYASHI KEIJI2 citations63
US8267536B2Sep 18, 2012
Power supply unit and display device
HAYASHI KEIJI2 citations63
US8253681B2Aug 28, 2012
Light source device, a display device and a television receiver
HAYASHI KEIJI4 citations62
US8111225B2Feb 7, 2012
Liquid crystal display device having a plurality of subfields
HAYASHI KEIJI2 citations59
US8556455B2Oct 15, 2013
Lighting device, display device and television receiver
HAYASHI KEIJI1 citations52
TOTO LTD
5 patentsUS4922861AMay 8, 1990
Multiple-purpose instantaneous gas water heater
TOTO LTD59 citations95
US4819587AApr 11, 1989
Multiple-purpose instantaneous gas water heater
TOTO LTD93 citations95
US4768705ASep 6, 1988
Cold/hot water discharging apparatus
TOTO LTD54 citations92
US4739923AApr 26, 1988
Hot/cold water mixing device
TOTO LTD21 citations82
US4761836AAug 9, 1988
Washing device for parts of human body
TOTO LTD14 citations72
TOYOTA MOTOR CO LTD
3 patentsUS10301568B2May 28, 2019
Sliding system
TOYOTA MOTOR CO LTD2 citations72
US9790447B2Oct 17, 2017
Sliding system
TOYOTA MOTOR CO LTD2 citations72
US12036004B2Jul 16, 2024
Physiological state index calculation system, physiological state index calculation method, and non-transitory computer readable medium
TOYOTA MOTOR CO LTD0 citations62
FUJITSU DISPLAY TECH
2 patentsNISSAN MOTOR
1 patentFUJITSU KASEI KK
1 patentMORI HIROYUKI
1 patentShowing the top 50 of 69 patents by PatentIndex Score.