Inventor
YAMADA TAKETOSHI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA TAKETOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
15 patentsUS6656608B1Dec 2, 2003
Electroluminescent material, electroluminescent element and color conversion filter
KONISHIROKU PHOTO IND169 citations99
US6420057B1Jul 16, 2002
Organic electroluminescent element
KONISHIROKU PHOTO IND91 citations98
US6960364B2Nov 1, 2005
Organic electroluminescent element and its manufacturing method
KONISHIROKU PHOTO IND20 citations92
US6750608B2Jun 15, 2004
Organic electroluminescence element and display
KONISHIROKU PHOTO IND40 citations92
US5004669AApr 2, 1991
Light-sensitive silver halide photographic material
KONISHIROKU PHOTO IND33 citations92
US5254448AOct 19, 1993
Light-sensitive silver halide photographic material
KONISHIROKU PHOTO IND22 citations88
US5026622AJun 25, 1991
Silver halide photographic light-sensitive material restrained from producing pin-holes
KONISHIROKU PHOTO IND10 citations74
US6855438B2Feb 15, 2005
Organic electroluminescent element and full color display
KONISHIROKU PHOTO IND6 citations73
US6117627ASep 12, 2000
Silver halide light sensitive photographic material
KONISHIROKU PHOTO IND6 citations73
US5851753ADec 22, 1998
Silver halide photographic light-sensitive material
KONISHIROKU PHOTO IND8 citations73
US5340707AAug 23, 1994
Silver halide photographic light-sensitive material
KONISHIROKU PHOTO IND11 citations73
US5874206AFeb 23, 1999
Silver halide photographic light sensitive material
KONISHIROKU PHOTO IND4 citations62
US5707792AJan 13, 1998
Silver halide photographic light sensitive material
KONISHIROKU PHOTO IND3 citations62
US6835473B2Dec 28, 2004
Organic electroluminescence element and display
KONISHIROKU PHOTO IND5 citations61
US5370980ADec 6, 1994
Silver halide photographic light-sensitive material
KONISHIROKU PHOTO IND1 citations51
KONICA CORP
11 patentsUS7128982B2Oct 31, 2006
Organic electroluminescence element
KONICA CORP23 citations92
US7157153B2Jan 2, 2007
Support and organic electroluminescence element comprising the support
KONICA CORP13 citations84
US7316851B2Jan 8, 2008
Electroluminescent material, electroluminescent element and color conversion filter
KONICA CORP8 citations74
US7264890B2Sep 4, 2007
Electroluminescent material, electroluminescent element and color conversion filter
KONICA CORP8 citations74
US7141304B2Nov 28, 2006
Film substrate and its manufacturing method
KONICA CORP7 citations74
US7871713B2Jan 18, 2011
Electroluminescent material, electroluminescent element and color conversion filter
KONICA CORP6 citations63
US7651741B2Jan 26, 2010
Processes for forming a support and organic electroluminescence element including the support
KONICA CORP2 citations63
US7348063B2Mar 25, 2008
Film substrate and its manufacturing method
KONICA CORP2 citations63
US7699680B2Apr 20, 2010
Method of manufacturing an organic electroluminescent element
KONICA CORP1 citations52
US7592075B2Sep 22, 2009
Organic electroluminescence element
KONICA CORP1 citations52
US7374829B2May 20, 2008
Organic electroluminescent element and full color display
KONICA CORP0 citations51
KONICA MINOLTA HOLDINGS INC
3 patentsUS7629060B2Dec 8, 2009
Organic electroluminescent element, and display and illuminator
KONICA MINOLTA HOLDINGS INC28 citations92
US7795801B2Sep 14, 2010
Organic electroluminescent element, illuminator, display and compound
KONICA MINOLTA HOLDINGS INC13 citations84
US7270893B2Sep 18, 2007
Organic electroluminescent element and display
KONICA MINOLTA HOLDINGS INC13 citations84