Inventor · disambiguated record
Masayuki Koyano
Also filed as: KOYANO MASAYUKI
34 granted patents·8 pending applications·1,361 citations·filing 1994–2021
98Inventor score
Top patents by PatentIndex Score
42 records- 0197US6695443B2Ink 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 articleRICOH KK·Filed 2002·Granted Feb 24, 2004·76 cites·43 claims
- 0297US6613136B1Recording ink composition and ink-jet printing method using the sameRICOH KK·Filed 2000·Granted Sep 2, 2003·72 cites·15 claims
- 0397US5993524AImage recording method, image recording apparatus and image recording acceleration liquidRICOH KK·Filed 1998·Granted Nov 30, 1999·107 cites·21 claims
- 0497US5879439ARecording ink composition and recording method using the sameRICOH KK·Filed 1997·Granted Mar 9, 1999·122 cites·55 claims
- 0596US6231652B1Aqueous ink compositions and ink-jet printing method using the sameRICOH KK·Filed 1999·Granted May 15, 2001·89 cites·10 claims
- 0695US8727522B2Ultraviolet crosslinking ink and inkjet recording methodMAEKAWA TSUTOMU·Filed 2012·Granted May 20, 2014·19 cites·6 claims
- 0795US5972082AAqueous ink composition and ink-jet printing method using the sameRICOH KK·Filed 1997·Granted Oct 26, 1999·93 cites·5 claims
- 0895US5882390ARecording ink composition and recording method using the sameRICOH KK·Filed 1997·Granted Mar 16, 1999·108 cites·12 claims
- 0994US7033013B2Pretreatment liquid for recording material and image recording method using the pretreatment liquidRICOH KK·Filed 2004·Granted Apr 25, 2006·36 cites·17 claims
- 1094US6786588B2Pretreatment liquid for recording material and image recording method using the pretreatment liquidRICOH KK·Filed 2002·Granted Sep 7, 2004·58 cites·15 claims
- 1194US5622550AYellow ink composition for ink-jet printing and image recording method using the sameRICOH KK·Filed 1996·Granted Apr 22, 1997·83 cites·31 claims
- 1293US5578405AElectrophotographic photoconductor containing disazo and trisazo pigmentsRICOH KK·Filed 1994·Granted Nov 26, 1996·125 cites·55 claims
- 1392US8632174B2Ink jet recording methodNOGUCHI SOH·Filed 2011·Granted Jan 21, 2014·11 cites·7 claims
- 1492US8328343B2Recording ink as well as ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording methodARUGA TAMOTSU·Filed 2010·Granted Dec 11, 2012·7 cites·6 claims
- 1592US8252207B2Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatusNAMBA MICHIHIKO·Filed 2007·Granted Aug 28, 2012·10 cites·20 claims
- 1692US6120589ASet of color ink compositions for ink-jet printing and method of forming color images using the color ink setRICOH KK·Filed 1999·Granted Sep 19, 2000·74 cites·32 claims
- 1792US5810915AAqueous ink composition and image formation method using the sameRICOH KK·Filed 1997·Granted Sep 22, 1998·71 cites·31 claims
- 1891US6730155B2Aqueous ink compositionRICOH KK·Filed 2001·Granted May 4, 2004·38 cites·15 claims
- 1990US8435339B2Ink set, ink cartridge, inkjet recording method, and inkjet recording apparatusKOYANO MASAYUKI·Filed 2008·Granted May 7, 2013·15 cites·18 claims
- 2089US10717297B2Inkjet recording method and inkjet recording apparatusRICOH CO LTD·Filed 2018·Granted Jul 21, 2020·1 cites·13 claims
- 2189US6688737B2Recording liquid, inkjet recording method and recording equipment using the sameRICOH KK·Filed 2001·Granted Feb 10, 2004·29 cites·23 claims
- 2288US6261349B1Image recording method image recording apparatus and image recording acceleration liquidRICOH KK·Filed 1998·Granted Jul 17, 2001·64 cites·12 claims
- 2386US8815140B2Method of producing film by inkjet process, and filmARUGA TAMOTSU·Filed 2011·Granted Aug 26, 2014·4 cites·17 claims
- 2484US8740374B2Ink jet recording method, ink jet recording apparatus, and ink jet recorded matterSENO SHIN-YA·Filed 2012·Granted Jun 3, 2014·6 cites·13 claims
- 2582US8580159B2Ink for inkjet recording, ink set for inkjet recording, ink media set for inkjet recording, ink cartridge, inkjet recording method, and inkjet recording apparatusNAMBA MICHIHIKO·Filed 2012·Granted Nov 12, 2013·2 cites·20 claims
- 2681US8708475B2Ultraviolet crosslinking inkjet ink, ink cartridge containing same, and image forming method and apparatus using sameHASEGAWA TOMOKO·Filed 2011·Granted Apr 29, 2014·4 cites·10 claims
- 2778US10030159B2Active-energy-ray-curable composition, active-energy-ray-curable ink, two-dimensional or three-dimensional image forming method, two-dimensional or three-dimensional image forming apparatus, and cured materialKUMAI MIO·Filed 2017·Granted Jul 24, 2018·1 cites·35 claims
- 2877US6799845B2Recording liquid, recording cartridge, recording method, recording apparatus and recording mediumRICOH KK·Filed 2001·Granted Oct 5, 2004·14 cites·22 claims
- 2969US2015184010A1Ink, ink cartridge, and inkjet recording apparatusOKADA TAKASHI·Filed 2014·Application pending·0 cites
- 3067US2016347962A1Ink, ink cartridge, and inkjet recording apparatusOKADA TAKASHI·Filed 2016·Application pending·0 cites
- 3164US8118419B2Ink jet recording method, recording device, ink/recording medium set, recording matterMOROHOSHI NAOYA·Filed 2002·Granted Feb 21, 2012·6 cites·26 claims
- 3257US10508211B2Ink, ink container, recording device, recording set and recording methodMIYAAKE AZUMI·Filed 2018·Granted Dec 17, 2019·0 cites·11 claims
- 3357US5460909APyrazine compound and electrophotographic photoconductor comprising the sameRICOH KK·Filed 1994·Granted Oct 24, 1995·10 cites·2 claims
- 3455US2007197685A1Recording ink as well as ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording methodARUGA TAMOTSU·Filed 2007·Application pending·0 cites
- 3555US2010196601A1Recording ink, ink cartridge, ink media set, ink- jet recording method and ink-jet recording apparatusGOTO HIROSHI·Filed 2008·Application pending·0 cites
- 3654US2023220226A1White ink, non-white ink, ink set, printing set, printing method, and printing apparatusHAGIWARA HIROKI·Filed 2021·Application pending·0 cites
- 3754US2022056299A1Printing method, printing apparatus, and printed matterYAMAMOTO SEI·Filed 2021·Application pending·0 cites
- 3849US9988539B2Active-energy-ray-curable composition, active-energy-ray-curable ink, composition stored container, two-dimensional or three-dimensional image forming apparatus, two-dimensional or three-dimensional image forming method, cured material, and structureSAITO SHUN·Filed 2016·Granted Jun 5, 2018·0 cites·12 claims
- 3948US2022056298A1Processing fluid, set of processing fluid and ink, printing method, and printing apparatusUMEMURA KAZUHIKO·Filed 2021·Application pending·0 cites
- 4045US9873804B2Active-energy-ray-curable composition, active-energy-ray-curable ink, composition stored container, image forming method, image forming apparatus, cured material, and image formed matterMIZUTANI YUUKI·Filed 2016·Granted Jan 23, 2018·0 cites·11 claims
- 4144US5618935ATricyclic pyrazine compound and electrophotographic photoconductor comprising the sameRICOH KK·Filed 1995·Granted Apr 8, 1997·6 cites·2 claims
- 4240US2017107385A1Active-energy-ray-curable composition, cured material, composition stored container, two-dimensional or three-dimensional image forming apparatus, and two-dimensional or three-dimensional image forming methodKUMAI MIO·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Masayuki Koyano files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →