Inventor · disambiguated record
Yuusuke Koizuka
Also filed as: KOIZUKA YUUSUKE
42 granted patents·9 pending applications·73 citations·filing 2012–2022
96Inventor score
Top patents by PatentIndex Score
51 records- 0198US9234110B2Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder, ink-recorded matter and method of producing the ink-recorded matter using the inkKATOH KEITA·Filed 2015·Granted Jan 12, 2016·14 cites·14 claims
- 0295US9850391B2Ink, ink stored container, inkjet printing method, and inkjet printing deviceFUKUOKA MASAYUKI·Filed 2016·Granted Dec 26, 2017·8 cites·15 claims
- 0394US9441129B2Ink for inkjet recording, ink container, and inkjet recording deviceKATOH KEITA·Filed 2015·Granted Sep 13, 2016·6 cites·7 claims
- 0493US8960885B2Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder, ink-recorded matter and method of producing the ink-recorded matter using the inkKATOH KEITA·Filed 2013·Granted Feb 24, 2015·7 cites·2 claims
- 0592US8974895B2Inkjet ink, ink storage container, inkjet recording device, and recorded matterNARUSE MITSURU·Filed 2014·Granted Mar 10, 2015·7 cites·7 claims
- 0689US10233341B2Ink, method of manufacturing ink, and ink cartridgeKOIZUKA YUUSUKE·Filed 2016·Granted Mar 19, 2019·2 cites·6 claims
- 0788US9353274B1Ink, ink cartridge, inkjet recording device, and copolymerKATOH KEITA·Filed 2015·Granted May 31, 2016·2 cites·10 claims
- 0888US9028056B1Ink for inkjet recording, ink container, inkjet recorder and recorded matterNARUSE MITSURU·Filed 2014·Granted May 12, 2015·4 cites·17 claims
- 0987US9359522B2Ink composition, ink cartridge, inkjet recording device, and inkjet printed matterRICOH CO LTD·Filed 2014·Granted Jun 7, 2016·9 cites·12 claims
- 1085US9217089B2Ink for inkjet recordingNAGAI KAZUKIYO·Filed 2014·Granted Dec 22, 2015·8 cites·18 claims
- 1178US8679712B2Photoreceptor and image forming method, image forming apparatus, and process cartridge using the photoreceptorTANAKA YUUJI·Filed 2012·Granted Mar 25, 2014·2 cites·11 claims
- 1277US10844235B2Ink, method of manufacturing ink, and ink cartridgeRICOH CO LTD·Filed 2019·Granted Nov 24, 2020·0 cites·20 claims
- 1377US9777091B2Copolymer, ink, and ink containerFUKUOKA MASAYUKI·Filed 2015·Granted Oct 3, 2017·1 cites·18 claims
- 1477US8771909B2Electrophotographic photoconductor, image forming apparatus, and process cartridgeKOIZUKA YUUSUKE·Filed 2012·Granted Jul 8, 2014·2 cites·9 claims
- 1571US9752037B2Inkjet recording ink, ink cartridge, inkjet recording method, inkjet recording device and ink recorded matterHAKIRI MINORU·Filed 2014·Granted Sep 5, 2017·1 cites·9 claims
- 1664US10781325B2Curable composition, curable ink, accommodating container, image forming device, image forming method, cured matter, and acrylamide compoundMORITA MITSUNOBU·Filed 2017·Granted Sep 22, 2020·0 cites·6 claims
- 1761US12054623B2Image forming method, set of processing fluid and ink, and image forming apparatusTAKARADA TATSUYA·Filed 2022·Granted Aug 6, 2024·0 cites·5 claims
- 1860US10836171B2Ink 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
- 1959US11851571B2Ink set, inkjet printing apparatus, and inkjet printing methodKOIZUKA YUUSUKE·Filed 2021·Granted Dec 26, 2023·0 cites·8 claims
- 2059US9422437B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2015·Granted Aug 23, 2016·0 cites·7 claims
- 2158US9365670B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2015·Granted Jun 14, 2016·0 cites·8 claims
- 2258US2022396708A1Set of processing fluid and ink, and method and apparatus for producing printed matterTERAI NOZOMI·Filed 2022·Application pending·0 cites
- 2357US11104137B2Liquid discharging apparatusRICOH CO LTD·Filed 2020·Granted Aug 31, 2021·0 cites·12 claims
- 2457US10807377B2Ink, ink cartridge, image forming method, and printed matterYAMAZAKI TAKUYA·Filed 2019·Granted Oct 20, 2020·0 cites·19 claims
- 2557US9896530B2Copolymer, coloring material dispersion, ink, and ink store containerHARADA SHIGEYUKI·Filed 2016·Granted Feb 20, 2018·0 cites·10 claims
- 2657US9416284B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2015·Granted Aug 16, 2016·0 cites·7 claims
- 2756US9217091B2Inkjet recording ink and ink cartridge using the ink, inkjet recording apparatus, inkjet recording method and ink recorded matterKATOH KEITA·Filed 2014·Granted Dec 22, 2015·0 cites·6 claims
- 2855US10370548B2Copolymer, ink including copolymer, and ink-stored containerHARADA SHIGEYUKI·Filed 2017·Granted Aug 6, 2019·0 cites·8 claims
- 2955US9850335B2Copolymer, aqueous ink, and ink cartridgeRICOH CO LTD·Filed 2015·Granted Dec 26, 2017·0 cites·13 claims
- 3055US9309427B2Ink composition, ink cartridge, inkjet recording device, and inkjet printed matterMATSUYAMA AKIHIKO·Filed 2014·Granted Apr 12, 2016·0 cites·14 claims
- 3151US11904600B2Printing method and printing deviceSHIMURA NAOTO·Filed 2022·Granted Feb 20, 2024·0 cites·12 claims
- 3251US10280321B2Ink, ink container, inkjet recording device, and recorded matterMATSUYAMA AKIHIKO·Filed 2016·Granted May 7, 2019·0 cites·19 claims
- 3351US10035869B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2016·Granted Jul 31, 2018·0 cites·10 claims
- 3450US9688871B2Inkjet recording ink and ink cartridge using the ink, inkjet recording apparatus, inkjet recording method and ink recording matterNONOGAKI MASAYASU·Filed 2014·Granted Jun 27, 2017·0 cites·5 claims
- 3550US9201319B2Image bearing member, manufacturing method of the same, image forming method, image forming apparatus, and process cartridgeNAGAI KAZUKIYO·Filed 2013·Granted Dec 1, 2015·0 cites·16 claims
- 3650US2015116421A1Inkjet recording ink, ink cartridge using the ink, and inkjet recording device using the inkNONOGAKI MASAYASU·Filed 2014·Application pending·0 cites
- 3750US2014141209A1Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder and ink-recorder matter using the inkKOIZUKA YUUSUKE·Filed 2013·Application pending·0 cites
- 3850US2023303877A1Ink set, image forming method, and image forming deviceSHIMURA NAOTO·Filed 2021·Application pending·0 cites
- 3950US2014120331A1Ink for inkjet recordingKOIZUKA YUUSUKE·Filed 2013·Application pending·0 cites
- 4049US11660897B2Printed matterTAKARADA TATSUYA·Filed 2021·Granted May 30, 2023·0 cites·13 claims
- 4149US10000656B2Ink, recorded matter, ink container, recording device, and recording methodYANAGAWA YOSHIKI·Filed 2016·Granted Jun 19, 2018·0 cites·10 claims
- 4249US9321926B2Ink for inkjet recording, ink cartridge, and ink-recorded matterKATOH KEITA·Filed 2015·Granted Apr 26, 2016·0 cites·18 claims
- 4348US9988543B2Ink, ink stored container, inkjet recording apparatus, and recorded matterMATSUYAMA AKIHIKO·Filed 2016·Granted Jun 5, 2018·0 cites·9 claims
- 4448US9139749B2Ink composition, recording method, printed matter, ink cartridge, and inkjet recording deviceRICOH CO LTD·Filed 2013·Granted Sep 22, 2015·0 cites·13 claims
- 4547US10273373B2Ink and method for producing same, and ink stored container, printing method, and printing apparatusKOIZUKA YUUSUKE·Filed 2017·Granted Apr 30, 2019·0 cites·12 claims
- 4645US2023174811A1Ink set, printed matter, printing method, and printing deviceSHIMURA NAOTO·Filed 2021·Application pending·0 cites
- 4745US2021155012A1Inkjet printing device and inkjet printing methodGOTO HIROSHI·Filed 2020·Application pending·0 cites
- 4842US9617439B2Ink composition, ink cartridge, ink recording device, and recorded matterMATSUYAMA AKIHIKO·Filed 2015·Granted Apr 11, 2017·0 cites·10 claims
- 4940US9597891B2Inkjet ink, method of manufacturing inkjet ink, ink cartridge, and inkjet recording deviceNONOGAKI MASAYASU·Filed 2015·Granted Mar 21, 2017·0 cites·10 claims
- 5039US2013295497A1Electrophotographic photoconductor, image forming method, image forming apparatus, and process cartridgeTANAKA YUUJI·Filed 2012·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →