Inventor
WACHI NAOTAKA
JP34 patents
⚠️ This page may combine multiple inventors who share the name “WACHI NAOTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
17 patentsUS7083668B2Aug 1, 2006
Ink set, ink cartridge, ink jet printer and recording method
FUJI PHOTO FILM CO LTD16 citations93
US7029523B2Apr 18, 2006
Black ink for ink-jet recording
FUJI PHOTO FILM CO LTD24 citations93
US6923855B2Aug 2, 2005
Ink, ink-jet-recording method and bis-azo compound
FUJI PHOTO FILM CO LTD24 citations93
US7037365B2May 2, 2006
Ink set, ink cartridge, ink jet printer and recording method
FUJI PHOTO FILM CO LTD27 citations92
US5389489AFeb 14, 1995
Image-forming material
FUJI PHOTO FILM CO LTD49 citations91
US5286703AFeb 15, 1994
Heat-sensitive recording material
FUJI PHOTO FILM CO LTD37 citations90
US7125444B2Oct 24, 2006
Inkjet ink
FUJI PHOTO FILM CO LTD11 citations84
US7022170B2Apr 4, 2006
Ink for jet recording and ink set
FUJI PHOTO FILM CO LTD13 citations84
US7083664B2Aug 1, 2006
Inkjet color ink
FUJI PHOTO FILM CO LTD8 citations74
US6800589B2Oct 5, 2004
Image-forming material and image formation method
FUJI PHOTO FILM CO LTD7 citations74
US6830863B2Dec 14, 2004
Multicolor image-forming material and method for forming multicolor image
FUJI PHOTO FILM CO LTD10 citations73
US6458504B2Oct 1, 2002
Method for forming an image
FUJI PHOTO FILM CO LTD13 citations72
US7014308B2Mar 21, 2006
Ink set for inkjet recording and inkjet recording method
FUJI PHOTO FILM CO LTD5 citations63
US6962893B2Nov 8, 2005
Image-forming material, image formation method and method for manufacturing color proof
FUJI PHOTO FILM CO LTD3 citations63
US6929687B2Aug 16, 2005
Ink set for ink jet recording and ink jet recording method
FUJI PHOTO FILM CO LTD4 citations63
US6824845B2Nov 30, 2004
Multicolor image-forming material and method for forming multicolor image
FUJI PHOTO FILM CO LTD4 citations63
US6534236B2Mar 18, 2003
Method for forming an image
FUJI PHOTO FILM CO LTD1 citations50
FUJIFILM CORP
13 patentsUS7776144B2Aug 17, 2010
Ink and ink set for inkjet recording
FUJIFILM CORP11 citations84
US7402201B2Jul 22, 2008
Ink stock solution, ink composition and method for producing them
FUJIFILM CORP12 citations84
US7311393B2Dec 25, 2007
Inkjet recording ink and method of inkjet recording
FUJIFILM CORP18 citations84
US7267715B2Sep 11, 2007
Ink and ink set
FUJIFILM CORP10 citations84
US7491266B2Feb 17, 2009
Black ink and ink set for inkjet recording
FUJIFILM CORP7 citations74
US8357235B2Jan 22, 2013
Inkjet ink composition and inkjet recording method
FUJIFILM CORP2 citations63
US7527684B2May 5, 2009
Ink set and ink jet recording method
FUJIFILM CORP4 citations63
US7316739B2Jan 8, 2008
Ink set, ink cartridge, ink jet printer and recording method
FUJIFILM CORP5 citations63
US7503966B2Mar 17, 2009
Black ink composition and ink jet recording method
FUJIFILM CORP4 citations62
US12215239B2Feb 4, 2025
Ink composition, ink set, and image recording method
FUJIFILM CORP0 citations61
US7370953B2May 13, 2008
Inkjet recording ink
FUJIFILM CORP0 citations42
US9249327B2Feb 2, 2016
Image forming method
FUJIFILM CORP0 citations41
US9033485B2May 19, 2015
Image forming method
FUJIFILM CORP0 citations41
WACHI NAOTAKA
3 patentsUS8070869B2Dec 6, 2011
Inkjet recording yellow ink, inkjet recording ink set and inkjet recording method
WACHI NAOTAKA8 citations82
US8613510B2Dec 24, 2013
Ink composition for ink jet recording and ink jet recording method using the same
WACHI NAOTAKA2 citations61
US8070870B2Dec 6, 2011
Inkjet recording yellow ink, inkjet recording ink set and inkjet recording method
WACHI NAOTAKA6 citations61