Inventor
SUGAWARA MARI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA MARI”. 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
US6322218B1Nov 27, 2001
Projection type display
FUJITSU LTD57 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
US6246506B1Jun 12, 2001
Optical display device having a reflection-type polarizer
FUJITSU LTD41 citations93
US5826960AOct 27, 1998
Protection type display device with polarized light reflecting mirror and polarized light source
FUJITSU LTD42 citations93
US6513936B1Feb 4, 2003
Projector
FUJITSU LTD34 citations92
US6819366B2Nov 16, 2004
Display device with condenser elements
FUJITSU LTD8 citations74
US6559910B2May 6, 2003
Display device with condenser elements
FUJITSU LTD12 citations74
SHARP KK
10 patentsUS7073933B2Jul 11, 2006
Light guide plate, light source device equipped therewith and display device
SHARP KK157 citations99
US7359011B2Apr 15, 2008
Reflection-type liquid crystal display device
SHARP KK51 citations96
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
US7169005B2Jan 30, 2007
Method of producing a backlight having a discharge tube containing mercury
SHARP KK3 citations63
US8049711B2Nov 1, 2011
Illumination device and liquid crystal display device using the same
SHARP KK4 citations62
US7122946B2Oct 17, 2006
Light source device having high limit-emitting efficiency
SHARP KK0 citations42