Inventor
YAMADA FUMIAKI
JP45 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA FUMIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
23 patentsUS6448951B1Sep 10, 2002
Liquid crystal display device
IBM235 citations99
US6867828B2Mar 15, 2005
Light guide apparatus, a backlight apparatus and a liquid crystal display apparatus
IBM90 citations98
US6667782B1Dec 23, 2003
Light guide apparatus, a backlight apparatus and a liquid crystal display apparatus
IBM96 citations98
US7164454B2Jan 16, 2007
Color filterless display device, optical element, and manufacture
IBM41 citations96
US7936412B2May 3, 2011
Color filterless display device, optical element, and manufacture
IBM12 citations93
US7548674B1Jun 16, 2009
Alignment method for circular multi-core optical fiber
IBM27 citations93
US7447405B1Nov 4, 2008
Ferrule for optical wave guide
IBM17 citations93
US6600528B2Jul 29, 2003
Integrated prism sheet for improved viewing angle in direct view color filterless liquid crystal displays
IBM29 citations93
US5835249ANov 10, 1998
Apparatus and method for exposing a liquid crystal panel by beam scanning
IBM26 citations93
US5596430AJan 21, 1997
Distributed index light deflector and method of light deflection
IBM20 citations93
US6556181B2Apr 29, 2003
Matrix driven liquid crystal display module system apparatus and method
IBM44 citations92
US7242822B2Jul 10, 2007
Optical connection board and optical signal transmission
IBM12 citations84
US7661863B2Feb 16, 2010
Prism sheet including reflective elements with different curvature surfaces
IBM8 citations83
US7889958B2Feb 15, 2011
Ferrule for optical wave guide
IBM4 citations74
US7369728B1May 6, 2008
Ferrule for optical wave guide
IBM7 citations74
US5638203AJun 10, 1997
Liquid crystal electrooptical device
IBM13 citations74
US7661864B2Feb 16, 2010
Back-light unit having prism sheet including reflective elements with different curvature surfaces, a back-light unit and LCD device using said back-light unit
IBM7 citations72
US7796852B2Sep 14, 2010
Ferrule for optical wave guide
IBM2 citations63
US7473059B2Jan 6, 2009
Small radius end mill tool
IBM3 citations63
US5982526ANov 9, 1999
Apparatus and method for exposing a liquid panel by beam scanning
IBM2 citations63
US5711999AJan 27, 1998
Method for modifying the film of a photosensitive chemical material
IBM3 citations63
US5515355AMay 7, 1996
Light modulator and optical head adjustment method
IBM2 citations63
US7766587B2Aug 3, 2010
Small radius end mill tool
IBM0 citations52
FUJITSU LTD
8 patentsUS5704703AJan 6, 1998
Lighting device and display device using the lighting device
FUJITSU LTD98 citations97
US5863114AJan 26, 1999
Light emissive panel unit
FUJITSU LTD55 citations96
US5799126AAug 25, 1998
Light guide device, light source device, and liquid crystal display device
FUJITSU LTD50 citations96
US5764845AJun 9, 1998
Light guide device, light source device, and liquid crystal display device
FUJITSU LTD65 citations96
US5570210AOct 29, 1996
Liquid crystal display device with directional backlight and image production capability in the light scattering mode
FUJITSU LTD59 citations96
US4779166AOct 18, 1988
Illuminating apparatus
FUJITSU LTD78 citations96
US4471384ASep 11, 1984
Optical reader
FUJITSU LTD28 citations92
US4446355AMay 1, 1984
Crossover construction of thermal-head and method of manufacturing same
FUJITSU LTD11 citations70
SHARP KK
3 patentsUS7277079B2Oct 2, 2007
Illumination device and liquid crystal display device using the same
SHARP KK56 citations96
US6986600B2Jan 17, 2006
Lighting device and display device using the lighting device
SHARP KK15 citations92
US8049711B2Nov 1, 2011
Illumination device and liquid crystal display device using the same
SHARP KK4 citations62
NAKAMICHI CORP
3 patentsUS4460934AJul 17, 1984
Magnetic head with full and partial coils for azimuth information
NAKAMICHI CORP10 citations74
US4796267AJan 3, 1989
Laser control circuit
NAKAMICHI CORP12 citations66
US4636899AJan 13, 1987
Method and magnetic head assembly for recording and reproducing control signals
NAKAMICHI CORP3 citations63