Inventor · disambiguated record
Yuuki Yokohama
Also filed as: YOKOHAMA YUUKI
28 granted patents·7 pending applications·98 citations·filing 2007–2022
95Inventor score
Top patents by PatentIndex Score
35 records- 0196US8721034B2Inkjet recording methodYOKOHAMA YUUKI·Filed 2012·Granted May 13, 2014·11 cites·6 claims
- 0295US9028600B2Inkjet ink, inkjet recording method, and inkjet recording deviceGOTO HIROSHI·Filed 2012·Granted May 12, 2015·10 cites·10 claims
- 0395US8746869B2Ink for inkjet recording, inkjet recording method using the same, ink cartridge housing the same, and recorded matterMATSUYAMA AKIHIKO·Filed 2010·Granted Jun 10, 2014·11 cites·21 claims
- 0494US9085706B2Inkjet ink, ink cartridge, inkjet recording method, inkjet recording device, and inkjet recorded matterGOTO HIROSHI·Filed 2011·Granted Jul 21, 2015·7 cites·18 claims
- 0594US8845800B2Image forming methodGOTO HIROSHI·Filed 2012·Granted Sep 30, 2014·9 cites·9 claims
- 0693US8888269B2Inkjet recording methodYOKOHAMA YUUKI·Filed 2012·Granted Nov 18, 2014·7 cites·7 claims
- 0792US9109129B2Inkjet ink, inkjet recording method, and inkjet recording apparatusGOTO HIROSHI·Filed 2012·Granted Aug 18, 2015·8 cites·15 claims
- 0890US8192009B2Ink set and ink cartridge for ink-jet recording, ink-jet recording method, and ink-jet recording apparatusYOKOHAMA YUUKI·Filed 2009·Granted Jun 5, 2012·11 cites·5 claims
- 0989US11274221B2Ink, ink set, ink container, image forming method, image forming apparatus and recorded matterRICOH CO LTD·Filed 2018·Granted Mar 15, 2022·2 cites·12 claims
- 1089US8100504B2Inkjet recording apparatus and inkjet recording methodYOKOHAMA YUUKI·Filed 2007·Granted Jan 24, 2012·10 cites·9 claims
- 1184US10195885B2Ink, inkjet recording method, ink cartridge, and image recording deviceTOYAMA KAORI·Filed 2017·Granted Feb 5, 2019·2 cites·18 claims
- 1282US8317913B2Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the sameHATADA SHIGEO·Filed 2008·Granted Nov 27, 2012·5 cites·6 claims
- 1381US9518190B2Inkjet ink, ink cartridge, inkjet recording method, inkjet recording device, and inkjet recorded matterRICOH CO LTD·Filed 2015·Granted Dec 13, 2016·1 cites·14 claims
- 1479US8651650B2Inkjet recording ink, inkjet recording inkset, ink cartridge, inkjet recording method, and recorded matterMATSUYAMA AKIHIKO·Filed 2009·Granted Feb 18, 2014·3 cites·11 claims
- 1577US11292932B2Ink set, recording device, and method of recordingRICOH CO LTD·Filed 2020·Granted Apr 5, 2022·0 cites·17 claims
- 1677US10781331B2Ink set, recording device, and method of recordingYOKOHAMA YUUKI·Filed 2019·Granted Sep 22, 2020·0 cites·17 claims
- 1773US12344756B2Liquid composition, method of applying liquid, device for applying liquid, pre-processing fluid, and set of pre-processing fluid and inkSAITO SHUN·Filed 2022·Granted Jul 1, 2025·0 cites·15 claims
- 1872US10457079B2Ink, inkjet recording method, ink cartridge, and image recording deviceRICOH CO LTD·Filed 2018·Granted Oct 29, 2019·0 cites·18 claims
- 1972US9169407B2Ink for inkjet recording, inkjet recording method using the ink, and ink cartridge that accommodates the inkYOKOHAMA YUUKI·Filed 2011·Granted Oct 27, 2015·1 cites·4 claims
- 2071US10233345B2Ink set, recording device, and method of recordingYOKOHAMA YUUKI·Filed 2017·Granted Mar 19, 2019·0 cites·18 claims
- 2169US11760893B2Ink, image forming apparatus, and image forming methodRICOH CO LTD·Filed 2021·Granted Sep 19, 2023·0 cites·13 claims
- 2261US11059983B2Ink, ink container, inkjet recording device, and recording methodMATSUYAMA AKIHIKO·Filed 2019·Granted Jul 13, 2021·0 cites·14 claims
- 2360US10836171B2Ink and cleaning liquid set, inkjet printing device, inkjet printing method, and method of cleaning nozzle surface of inkjet discharging headSAGARA Amika·Filed 2019·Granted Nov 17, 2020·0 cites·10 claims
- 2460US9873809B2Ink, image forming method, image forming apparatus, and recorded matterGOTO HIROSHI·Filed 2016·Granted Jan 23, 2018·0 cites·11 claims
- 2558US8680175B2Inkjet ink, and ink cartridge, inkjet recording method, inkjet recording apparatus and ink record using the sameHATADA SHIGEO·Filed 2012·Granted Mar 25, 2014·0 cites·6 claims
- 2657US11104137B2Liquid discharging apparatusRICOH CO LTD·Filed 2020·Granted Aug 31, 2021·0 cites·12 claims
- 2756US2021292582A1Ink, ink stored container, printing device, and printing methodRICOH CO LTD·Filed 2021·Application pending·0 cites
- 2853US9938421B2Set of ink and print medium, inkjet printing method, inkjet printing apparatus, printed matter, ink, and ink stored containerRICOH CO LTD·Filed 2016·Granted Apr 10, 2018·0 cites·12 claims
- 2950US10131805B2Ink, ink stored container, inkjet recording apparatus, and printed matterKATOH KEITA·Filed 2016·Granted Nov 20, 2018·0 cites·12 claims
- 3046US2018244935A1Ink and recorded matterSAKAGUCHI HIROMI·Filed 2017·Application pending·0 cites
- 3144US2017121543A1Ink, ink stored container, inkjet printing method, inkjet printing apparatus, and printed matterSAKAGUCHI HIROMI·Filed 2016·Application pending·0 cites
- 3243US2017130081A1Ink, printed matter, ink stored container, printing apparatus, and printing methodTOYAMA KAORI·Filed 2016·Application pending·0 cites
- 3342US2017247556A1Ink, ink set, and inkjet recording deviceYOKOHAMA YUUKI·Filed 2015·Application pending·0 cites
- 3440US2016272828A1Ink, ink cartridge, inkjet recording method, inkjet recording apparatus, and ink recorded matterTAKAMURA YUKIKO·Filed 2016·Application pending·0 cites
- 3539US2021238432A1Ink, inkjet ink, ink container, image forming method, and image forming deviceYOSHIKAWA TORU·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →