Inventor
YAMASHITA TOMOYOSHI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA TOMOYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI RAYON CO
26 patentsUS7004610B2Feb 28, 2006
Light source device
MITSUBISHI RAYON CO156 citations99
US7153017B2Dec 26, 2006
Light deflection element and light source apparatus using the same
MITSUBISHI RAYON CO67 citations98
US6669350B2Dec 30, 2003
Planar light source system and light deflecting device therefor
MITSUBISHI RAYON CO147 citations98
US6185353B1Feb 6, 2001
Graded index type optical fibers and method of making the same
MITSUBISHI RAYON CO48 citations96
US7736045B2Jun 15, 2010
Area light source and lightguide used therefore
MITSUBISHI RAYON CO43 citations92
US7401962B2Jul 22, 2008
Light deflection element and light source apparatus using the same
MITSUBISHI RAYON CO18 citations92
US7380969B2Jun 3, 2008
Planar light source system and light deflecting device therefor
MITSUBISHI RAYON CO40 citations92
US7226197B2Jun 5, 2007
Surface light source device and light guide used therefor
MITSUBISHI RAYON CO30 citations92
US7220038B2May 22, 2007
Light source device and light polarizing element
MITSUBISHI RAYON CO20 citations92
US7201510B2Apr 10, 2007
Edge lighted device with polarization
MITSUBISHI RAYON CO22 citations92
US7128456B2Oct 31, 2006
Light source device
MITSUBISHI RAYON CO43 citations92
US6874902B2Apr 5, 2005
Light source device
MITSUBISHI RAYON CO38 citations92
US7815357B2Oct 19, 2010
Light guide for surface light source device and surface light source device
MITSUBISHI RAYON CO8 citations84
US7520652B2Apr 21, 2009
Area light source
MITSUBISHI RAYON CO17 citations84
US7578607B2Aug 25, 2009
Light deflector and light source device
MITSUBISHI RAYON CO9 citations82
US7522809B2Apr 21, 2009
Planar light source and light guide for use therein
MITSUBISHI RAYON CO12 citations82
US7008099B2Mar 7, 2006
Light source device
MITSUBISHI RAYON CO5 citations74
US7139464B2Nov 21, 2006
Surface light source and light guide used therefor
MITSUBISHI RAYON CO8 citations73
US6631233B2Oct 7, 2003
Graded index type optical fibers and method of making the same
MITSUBISHI RAYON CO7 citations73
US6307992B2Oct 23, 2001
Graded index type optical fibers and method of making the same
MITSUBISHI RAYON CO11 citations73
US5120978AJun 9, 1992
Method and apparatus for scattered light measurements
MITSUBISHI RAYON CO9 citations73
US6529665B1Mar 4, 2003
Refractive index profile type optical fiber
MITSUBISHI RAYON CO9 citations68
US7534024B2May 19, 2009
Optical deflector element and light source device
MITSUBISHI RAYON CO3 citations60
US7380968B2Jun 3, 2008
Optical deflector element and light source device
MITSUBISHI RAYON CO5 citations60
US6986599B2Jan 17, 2006
Light source device
MITSUBISHI RAYON CO0 citations52
US9507077B2Nov 29, 2016
Resin composition for light guide article-preform, light guide article-preform, laminated light guide article-preform, light guide article for surface light source device and surface light source device
MITSUBISHI RAYON CO0 citations46