Inventor
UDAGAWA MASAKO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “UDAGAWA MASAKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
18 patentsUS7144449B2Dec 5, 2006
Print ink containing a plurality of fluorescent coloring materials and inkjet recording method
CANON KK88 citations98
US7141105B2Nov 28, 2006
Water-based fluorescent ink, recorded image using the same, and judging method
CANON KK76 citations98
US7464965B2Dec 16, 2008
Water-based fluorescent ink, recorded image using the same, and judging method
CANON KK21 citations93
US7429291B2Sep 30, 2008
Print ink containing a plurality of fluorescent coloring materials and inkjet recording method
CANON KK24 citations93
US7854798B2Dec 21, 2010
Ink set, image forming method, ink jet recording method, ink cartridge, and recording unit
CANON KK25 citations92
US7381257B2Jun 3, 2008
Aqueous ink, ink-jet recording method, ink cartridge, recording unit and ink jet recording apparatus
CANON KK27 citations92
US7267716B2Sep 11, 2007
Aqueous ink, image recorded using said aqueous ink and method for forming said image
CANON KK21 citations92
US7125111B2Oct 24, 2006
Ink and ink jet recording method using the ink
CANON KK27 citations92
US8367750B2Feb 5, 2013
Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
CANON KK9 citations84
US7947762B2May 24, 2011
Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
CANON KK15 citations84
US7303620B2Dec 4, 2007
Water-based ink, and image formation method and recorded image using the ink
CANON KK10 citations84
US8741984B2Jun 3, 2014
Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
CANON KK8 citations83
US7594719B2Sep 29, 2009
Mailing ink, and ink tank for mailing, ink jet recording method for mailing and ink jet recording apparatus for mailing using the same
CANON KK7 citations74
US7866809B2Jan 11, 2011
Mailing ink, and ink tank for mailing, ink jet recording method for mailing and ink jet recording apparatus for mailing using the same
CANON KK2 citations63
US7473437B2Jan 6, 2009
Method of forming fluorescent image, fluorescent image, and ink-jet recording method
CANON KK5 citations63
US7455400B2Nov 25, 2008
Aqueous fluorescent ink, image recording method and recorded image
CANON KK4 citations63
US7901500B2Mar 8, 2011
Ink set, ink jet recording method, ink cartridge, recording unit, ink jet recording apparatus, and image forming method
CANON KK1 citations52
USRE44863EApr 29, 2014
Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus
CANON KK0 citations51
UDAGAWA MASAKO
3 patentsUS8308198B2Nov 13, 2012
Water-based fluorescent ink, recorded image using the same, and judging method
UDAGAWA MASAKO18 citations92
US8217097B2Jul 10, 2012
Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
UDAGAWA MASAKO12 citations83
US8216355B2Jul 10, 2012
Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus
UDAGAWA MASAKO1 citations49