Inventor
YOKOYAMA RYOICHI
JP66 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
42 patentsUS6911960B1Jun 28, 2005
Active-type electroluminescent display
SANYO ELECTRIC CO215 citations99
US6724149B2Apr 20, 2004
Emissive display device and electroluminescence display device with uniform luminance
SANYO ELECTRIC CO124 citations99
US6281634B1Aug 28, 2001
Color electroluminescence display device
SANYO ELECTRIC CO169 citations99
US6366026B1Apr 2, 2002
Electroluminescence display apparatus
SANYO ELECTRIC CO131 citations98
US6724443B1Apr 20, 2004
Active matrix type display device
SANYO ELECTRIC CO67 citations96
US6451636B1Sep 17, 2002
Semiconductor device and display device having laser-annealed semiconductor element
SANYO ELECTRIC CO58 citations96
US6433486B1Aug 13, 2002
Color electroluminescence display device
SANYO ELECTRIC CO76 citations96
US6429599B1Aug 6, 2002
Color electroluminescence display device
SANYO ELECTRIC CO67 citations96
US7339559B2Mar 4, 2008
Color electroluminescence display device
SANYO ELECTRIC CO19 citations93
US7173607B2Feb 6, 2007
Signal detector
SANYO ELECTRIC CO30 citations93
US7173589B2Feb 6, 2007
Display device
SANYO ELECTRIC CO25 citations93
US7009345B2Mar 7, 2006
Emissive display device and electroluminescence display device with uniform luminance
SANYO ELECTRIC CO27 citations93
US6956553B2Oct 18, 2005
Active matrix display device
SANYO ELECTRIC CO22 citations93
US6812912B2Nov 2, 2004
Active matrix display device with storage capacitor for each pixel
SANYO ELECTRIC CO42 citations93
US6803896B2Oct 12, 2004
Display device
SANYO ELECTRIC CO22 citations93
US6690118B2Feb 10, 2004
Color electroluminescence display device
SANYO ELECTRIC CO18 citations93
US6590552B1Jul 8, 2003
Method of driving liquid crystal display device
SANYO ELECTRIC CO48 citations93
US7389476B2Jun 17, 2008
Display including a plurality of display panels
SANYO ELECTRIC CO47 citations92
US6999149B2Feb 14, 2006
Active matrix display device with electrode between adjacent pixels
SANYO ELECTRIC CO18 citations92
US6157228ADec 5, 2000
Data line driving circuit formed by a TFT based on polycrystalline silicon
SANYO ELECTRIC CO23 citations92
US7072018B2Jul 4, 2006
IC substrate of glass and display device
SANYO ELECTRIC CO43 citations91
US7583259B2Sep 1, 2009
Power consumption of display apparatus during still image display mode
SANYO ELECTRIC CO13 citations84
US7315131B2Jan 1, 2008
Color electroluminescence display device
SANYO ELECTRIC CO10 citations84
US7136057B2Nov 14, 2006
Display device
SANYO ELECTRIC CO14 citations84
US7095389B2Aug 22, 2006
Active matrix display device
SANYO ELECTRIC CO12 citations84
US7019726B2Mar 28, 2006
Power consumption of display apparatus during still image display mode
SANYO ELECTRIC CO14 citations84
US6995517B2Feb 7, 2006
Color electroluminescence display device
SANYO ELECTRIC CO12 citations84
US6950080B2Sep 27, 2005
Display device
SANYO ELECTRIC CO15 citations84
US7646370B2Jan 12, 2010
Display device
SANYO ELECTRIC CO7 citations74
US7081875B2Jul 25, 2006
Display device and its driving method
SANYO ELECTRIC CO8 citations74
US7002543B2Feb 21, 2006
Method for driving active matrix type liquid crystal display
SANYO ELECTRIC CO8 citations74
US7696960B2Apr 13, 2010
Display device
SANYO ELECTRIC CO5 citations63
US7432898B2Oct 7, 2008
Active matrix display device
SANYO ELECTRIC CO2 citations63
US7355579B2Apr 8, 2008
Display
SANYO ELECTRIC CO2 citations63
US7248322B2Jul 24, 2007
Active matrix display device with floating electrode between adjacent pixels
SANYO ELECTRIC CO2 citations63
US7079100B2Jul 18, 2006
Active matrix type display
SANYO ELECTRIC CO5 citations63
US7038642B2May 2, 2006
Display device
SANYO ELECTRIC CO3 citations63
US7019727B2Mar 28, 2006
Display device
SANYO ELECTRIC CO3 citations63
US6985129B2Jan 10, 2006
Video display device
SANYO ELECTRIC CO5 citations63
US6963324B2Nov 8, 2005
Active matrix display device with shared retaining circuit
SANYO ELECTRIC CO2 citations63
US6828734B2Dec 7, 2004
Display device
SANYO ELECTRIC CO3 citations63
US6236379B1May 22, 2001
Active matrix panel and display device
SANYO ELECTRIC CO5 citations63
KYOCERA CORP
3 patentsUS8917168B2Dec 23, 2014
Panel device
KYOCERA CORP20 citations91
US11600218B2Mar 7, 2023
Light emitter board, display device, and method for repairing display device
KYOCERA CORP2 citations73
US11600240B2Mar 7, 2023
Display apparatus with pixel structure on glass substrate and glass substrate
KYOCERA CORP1 citations63
SAMSUNG ELECTRONICS CO LTD
2 patentsFUJITSU LTD
1 patentNEC CORP
1 patentRIGAKU DENKI CO LTD
1 patentShowing the top 50 of 66 patents by PatentIndex Score.