Inventor
TSUBOYAMA AKIRA
JP153 patents
⚠️ This page may combine multiple inventors who share the name “TSUBOYAMA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
49 patentsUS7147935B2Dec 12, 2006
Luminescence device and display apparatus
CANON KK133 citations99
US6921915B2Jul 26, 2005
Metal coordination compound, luminescence device and display apparatus
CANON KK1,048 citations99
US6780528B2Aug 24, 2004
Luminescence device and metal coordination compound therefor
CANON KK146 citations99
US4775225AOct 4, 1988
Liquid crystal device having pillar spacers with small base periphery width in direction perpendicular to orientation treatment
CANON KK462 citations99
US4712877ADec 15, 1987
Ferroelectric display panel of varying thickness and driving method therefor
CANON KK147 citations99
US7238435B2Jul 3, 2007
Polymeric compound and organic luminescence device
CANON KK74 citations98
US7220495B2May 22, 2007
Luminescence device, display apparatus and metal coordination compound
CANON KK65 citations98
US7094477B2Aug 22, 2006
Luminescence device and display apparatus
CANON KK79 citations98
US6953628B2Oct 11, 2005
Luminescence device and display apparatus
CANON KK115 citations98
US6821646B2Nov 23, 2004
Luminescence device, display apparatus and metal coordination compound
CANON KK100 citations98
US6714212B1Mar 30, 2004
Display apparatus
CANON KK86 citations98
US5606343AFeb 25, 1997
Display device
CANON KK135 citations98
US7166958B2Jan 23, 2007
Light emitting device having dopant in a light emitting layer, and method of producing the light emitting device
CANON KK30 citations96
US6838818B2Jan 4, 2005
Light emitting device having a dopant in a light emitting layer and method of producing the light emitting device
CANON KK46 citations96
US6815091B2Nov 9, 2004
Luminescence device, display apparatus and metal coordination compound
CANON KK48 citations96
US6542211B1Apr 1, 2003
Liquid crystal device and driving method therefor
CANON KK53 citations96
US6221444B1Apr 24, 2001
Liquid crystal device
CANON KK53 citations96
US5963190AOct 5, 1999
Driving method for display device and display apparatus
CANON KK74 citations96
US5808594ASep 15, 1998
Driving method for display device and display apparatus
CANON KK58 citations96
US5583534ADec 10, 1996
Method and apparatus for driving liquid crystal display having memory effect
CANON KK78 citations96
US5058994AOct 22, 1991
Liquid crystal apparatus
CANON KK59 citations96
US5041821AAug 20, 1991
Ferroelectric liquid crystal apparatus with temperature dependent DC offset voltage
CANON KK51 citations96
US5035491AJul 30, 1991
Liquid crystal apparatus
CANON KK81 citations96
US5013137AMay 7, 1991
Ferroelectric liquid crystal device having increased tilt angle
CANON KK68 citations96
US4932757AJun 12, 1990
Ferroelectric liquid crystal device
CANON KK66 citations96
US4902107AFeb 20, 1990
Ferroelectric liquid crystal optical device having temperature compensation
CANON KK75 citations96
US4820026AApr 11, 1989
Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film
CANON KK46 citations96
US4796979AJan 10, 1989
Ferroelectric liquid crystal device having dual laminated alignment films
CANON KK82 citations96
US4778259AOct 18, 1988
Ferroelectric liquid crystal devices having reverse twist angle and stable states resulting from A.C. excitation
CANON KK55 citations96
US4744639AMay 17, 1988
Ferroelectric liquid crystal device having a flattening layer
CANON KK75 citations96
US4728176AMar 1, 1988
Ferroelectric liquid crystal device with metallic auxiliary electrodes provided adjacent to the transparent electrodes
CANON KK77 citations96
US5615027AMar 25, 1997
Liquid crystal apparatus and display system
CANON KK56 citations95
US7910227B2Mar 22, 2011
Light emitting device having dopants in a light emitting layer
CANON KK14 citations93
US7790299B2Sep 7, 2010
Light emitting device having dopants in a light emitting layer
CANON KK15 citations93
US7736758B2Jun 15, 2010
Light emitting device having dopants in a light emitting layer
CANON KK12 citations93
US7687155B2Mar 30, 2010
Luminescence device and display apparatus
CANON KK15 citations93
US7544426B2Jun 9, 2009
Luminescence device and display apparatus
CANON KK22 citations93
US7527879B2May 5, 2009
Luminescence device and display apparatus
CANON KK19 citations93
US7446471B2Nov 4, 2008
OLED provided with organic layer comprising first and second dopants based on iridium organic complex compounds
CANON KK19 citations93
US7189466B2Mar 13, 2007
Organic light-emitting element and display device
CANON KK32 citations93
US7108924B2Sep 19, 2006
Polymer compound and electroluminescent element
CANON KK22 citations93
US7078115B2Jul 18, 2006
Metal coordination compound and electroluminescence device
CANON KK18 citations93
US6897913B2May 24, 2005
Luminescence device
CANON KK19 citations93
US6824894B2Nov 30, 2004
Metal coordination compound and electroluminescence device
CANON KK40 citations93
US6812497B2Nov 2, 2004
Organic light emitting device
CANON KK44 citations93
US6797980B2Sep 28, 2004
Metal coordination compound, luminescence device and display apparatus
CANON KK38 citations93
US6733905B2May 11, 2004
Metal coordination compound, luminescence device and display apparatus
CANON KK42 citations93
US6645579B1Nov 11, 2003
Liquid crystal device
CANON KK19 citations93
US5691740ANov 25, 1997
Liquid crystal apparatus and driving method
CANON KK21 citations93
WATANABE TAIKI
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