Inventor
GOTOH AKIHIKO
JP49 patents
⚠️ This page may combine multiple inventors who share the name “GOTOH AKIHIKO”. 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
US6786588B2Sep 7, 2004
Pretreatment liquid for recording material and image recording method using the pretreatment liquid
RICOH KK58 citations96
US5952048ASep 14, 1999
Ink composition and recording method using the same
RICOH KK57 citations95
US7699457B2Apr 20, 2010
Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method
RICOH KK28 citations93
US7490930B2Feb 17, 2009
Inkjet recording apparatus and inkjet recording method
RICOH KK15 citations93
US7810919B2Oct 12, 2010
Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method
RICOH KK34 citations92
US7682011B2Mar 23, 2010
Recording ink, ink cartridge, ink record, inkjet recording apparatus and inkjet recording process
RICOH KK28 citations92
US7284851B2Oct 23, 2007
Inkjet recording ink, recording process and recording apparatus
RICOH KK39 citations92
US7094813B2Aug 22, 2006
Ink-jet recording ink, ink-jet recording ink set, ink cartridge, ink-jet printer, and ink-jet printing method
RICOH KK35 citations92
US7033013B2Apr 25, 2006
Pretreatment liquid for recording material and image recording method using the pretreatment liquid
RICOH KK36 citations92
US6918662B2Jul 19, 2005
Ink composition and inkjet recording method and apparatus using the ink composition
RICOH KK26 citations92
US6899751B2May 31, 2005
Ink for ink jet recording, ink jet recording method, ink cartridge and ink jet recording apparatus
RICOH KK23 citations92
US6730149B2May 4, 2004
Ink composition and inkjet recording method and apparatus using the ink composition
RICOH KK39 citations92
US6730155B2May 4, 2004
Aqueous ink composition
RICOH KK38 citations92
US6020103AFeb 1, 2000
Liquid developer, method of producing the liquid developer and image formation using the same
RICOH KK29 citations92
US5851717ADec 22, 1998
Developer for use in electrophotography, and image formation method using the same
RICOH KK35 citations91
US7374608B2May 20, 2008
Ink for ink jet recording, ink jet recording method, ink cartridge and ink jet recording apparatus
RICOH KK9 citations84
US6578958B2Jun 17, 2003
Inkjet recording method and apparatus and ink therefor
RICOH KK19 citations84
US5204207AApr 20, 1993
Magenta color liquid developer for electrophotography
RICOH KK18 citations74
RICOH CO LTD
5 patentsUS8044114B2Oct 25, 2011
Ink for recording, and ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method using the same
RICOH CO LTD21 citations92
US7892340B2Feb 22, 2011
Ink-jet recording ink, ink-jet recording ink set, ink-jet recording ink media set, ink cartridge, ink-jet recording method and ink-jet recording apparatus
RICOH CO LTD29 citations92
US8029122B2Oct 4, 2011
Recording ink, inkjet recording method and inkjet recording apparatus
RICOH CO LTD18 citations84
US7922316B2Apr 12, 2011
Inkjet recording apparatus and inkjet recording method
RICOH CO LTD6 citations63
US9789720B2Oct 17, 2017
Image forming method, image forming apparatus, and recorded matter
RICOH CO LTD1 citations51
TAMAI TAKASHI
5 patentsUS9783700B2Oct 10, 2017
Overcoating liquid, ink set, image forming method, and image forming apparatus
TAMAI TAKASHI4 citations73
US8752948B2Jun 17, 2014
Inkjet recording ink containing fluorine based surfactant, inkjet recording ink set, and inkjet recording apparatus containing the inkjet recording ink
TAMAI TAKASHI3 citations62
US9879207B2Jan 30, 2018
Cleaning filling liquid, cartridge, cleaning filling method, and inkjet recording device
TAMAI TAKASHI0 citations52
US9487666B2Nov 8, 2016
Inkjet recording ink, ink cartridge, inkjet recording method, and inkjet recording apparatus
TAMAI TAKASHI1 citations52
US9259935B2Feb 16, 2016
Inkjet recorder ink flow channel cleaning liquid
TAMAI TAKASHI1 citations52
MOROHOSHI NAOYA
4 patentsUS8173227B2May 8, 2012
Recording ink, ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus, and inkjet recording method
MOROHOSHI NAOYA9 citations84
US8083342B2Dec 27, 2011
Inkjet recording apparatus and inkjet recording method
MOROHOSHI NAOYA5 citations73
US8118419B2Feb 21, 2012
Ink jet recording method, recording device, ink/recording medium set, recording matter
MOROHOSHI NAOYA6 citations72
US8192013B2Jun 5, 2012
Inkjet recording apparatus and inkjet recording method
MOROHOSHI NAOYA1 citations51
NAMBA MICHIHIKO
4 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
US8444755B2May 21, 2013
Ink-jet recording ink, ink-jet recording ink set, ink-jet recording ink media set, ink cartridge, ink-jet recording method and ink-jet recording apparatus
NAMBA MICHIHIKO4 citations62
US8708473B2Apr 29, 2014
Inkjet recording treatment liquid, inkjet cartridge, inkjet recording ink set, and inkjet recording method
NAMBA MICHIHIKO1 citations51
KOJIMA MARIKO
3 patentsUS8586647B2Nov 19, 2013
Recording ink, recording ink set, records, ink cartridge, recording method, and inkjet recording apparatus
KOJIMA MARIKO6 citations72
US8303099B2Nov 6, 2012
Recording ink, ink cartridge, ink record, inkjet recording apparatus, and inkjet recording method
KOJIMA MARIKO0 citations52
US8517527B2Aug 27, 2013
Inkjet recording inkset and inkjet recording method
KOJIMA MARIKO1 citations51
KATOH KEITA
2 patentsYOKOHAMA YUUKI
2 patentsUS8192009B2Jun 5, 2012
Ink set and ink cartridge for ink-jet recording, ink-jet recording method, and ink-jet recording apparatus
YOKOHAMA YUUKI11 citations83
US9169407B2Oct 27, 2015
Ink for inkjet recording, inkjet recording method using the ink, and ink cartridge that accommodates the ink
YOKOHAMA YUUKI1 citations51