Inventor
KOYANO MASAYUKI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “KOYANO MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
19 patentsUS6695443B2Feb 24, 2004
Ink for ink jet recording, ink set for ink jet recording, method for ink jet recording, ink cartridge for ink jet recording, ink jet recording apparatus and recorded article
RICOH KK76 citations98
US6231652B1May 15, 2001
Aqueous ink compositions and ink-jet printing method using the same
RICOH KK89 citations97
US5993524ANov 30, 1999
Image recording method, image recording apparatus and image recording acceleration liquid
RICOH KK107 citations97
US5972082AOct 26, 1999
Aqueous ink composition and ink-jet printing method using the same
RICOH KK93 citations97
US5882390AMar 16, 1999
Recording ink composition and recording method using the same
RICOH KK108 citations97
US5879439AMar 9, 1999
Recording ink composition and recording method using the same
RICOH KK122 citations97
US5578405ANov 26, 1996
Electrophotographic photoconductor containing disazo and trisazo pigments
RICOH KK125 citations97
US6786588B2Sep 7, 2004
Pretreatment liquid for recording material and image recording method using the pretreatment liquid
RICOH KK58 citations96
US6613136B1Sep 2, 2003
Recording ink composition and ink-jet printing method using the same
RICOH KK72 citations96
US6261349B1Jul 17, 2001
Image recording method image recording apparatus and image recording acceleration liquid
RICOH KK64 citations96
US6120589ASep 19, 2000
Set of color ink compositions for ink-jet printing and method of forming color images using the color ink set
RICOH KK74 citations96
US5810915ASep 22, 1998
Aqueous ink composition and image formation method using the same
RICOH KK71 citations96
US5622550AApr 22, 1997
Yellow ink composition for ink-jet printing and image recording method using the same
RICOH KK83 citations96
US7033013B2Apr 25, 2006
Pretreatment liquid for recording material and image recording method using the pretreatment liquid
RICOH KK36 citations92
US6730155B2May 4, 2004
Aqueous ink composition
RICOH KK38 citations92
US6688737B2Feb 10, 2004
Recording liquid, inkjet recording method and recording equipment using the same
RICOH KK29 citations92
US6799845B2Oct 5, 2004
Recording liquid, recording cartridge, recording method, recording apparatus and recording medium
RICOH KK14 citations84
US5618935AApr 8, 1997
Tricyclic pyrazine compound and electrophotographic photoconductor comprising the same
RICOH KK6 citations71
US5460909AOct 24, 1995
Pyrazine compound and electrophotographic photoconductor comprising the same
RICOH KK10 citations71
NAMBA MICHIHIKO
2 patentsUS8252207B2Aug 28, 2012
Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus
NAMBA MICHIHIKO10 citations83
US8580159B2Nov 12, 2013
Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatus
NAMBA MICHIHIKO2 citations62