Inventor · disambiguated record
Keita Katoh
Also filed as: KATOH KEITA
36 granted patents·5 pending applications·78 citations·filing 1998–2018
95Inventor score
Top patents by PatentIndex Score
41 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
- 0294US9441129B2Ink for inkjet recording, ink container, and inkjet recording deviceKATOH KEITA·Filed 2015·Granted Sep 13, 2016·6 cites·7 claims
- 0393US8960885B2Ink 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
- 0492US8974895B2Inkjet ink, ink storage container, inkjet recording device, and recorded matterNARUSE MITSURU·Filed 2014·Granted Mar 10, 2015·7 cites·7 claims
- 0591US8801167B2Inkjet recording apparatus, method for inkjet recording, and inkKATOH KEITA·Filed 2012·Granted Aug 12, 2014·7 cites·17 claims
- 0688US9353274B1Ink, ink cartridge, inkjet recording device, and copolymerKATOH KEITA·Filed 2015·Granted May 31, 2016·2 cites·10 claims
- 0788US9028056B1Ink for inkjet recording, ink container, inkjet recorder and recorded matterNARUSE MITSURU·Filed 2014·Granted May 12, 2015·4 cites·17 claims
- 0887US9359522B2Ink composition, ink cartridge, inkjet recording device, and inkjet printed matterRICOH CO LTD·Filed 2014·Granted Jun 7, 2016·9 cites·12 claims
- 0985US10113078B2Ink discharge device and ink discharge methodKATOH KEITA·Filed 2017·Granted Oct 30, 2018·2 cites·12 claims
- 1085US9217089B2Ink for inkjet recordingNAGAI KAZUKIYO·Filed 2014·Granted Dec 22, 2015·8 cites·18 claims
- 1177US9777091B2Copolymer, ink, and ink containerFUKUOKA MASAYUKI·Filed 2015·Granted Oct 3, 2017·1 cites·18 claims
- 1271US9752037B2Inkjet 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
- 1365US9267046B2Inkjet ink, ink cartridge, inkjet recording device, and inkjet printed matterRICOH CO LTD·Filed 2015·Granted Feb 23, 2016·0 cites·11 claims
- 1465US9150745B2Inkjet ink, ink cartridge, inkjet recording device, and inkjet printed matterRICOH CO LTD·Filed 2013·Granted Oct 6, 2015·0 cites·15 claims
- 1562US10016987B2Image forming method and image forming systemKATOH KEITA·Filed 2016·Granted Jul 10, 2018·0 cites·19 claims
- 1661US10328722B2Image forming method and image forming apparatusKATOH KEITA·Filed 2018·Granted Jun 25, 2019·0 cites·17 claims
- 1760US9873809B2Ink, image forming method, image forming apparatus, and recorded matterGOTO HIROSHI·Filed 2016·Granted Jan 23, 2018·0 cites·11 claims
- 1859US9422437B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2015·Granted Aug 23, 2016·0 cites·7 claims
- 1958US9365670B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2015·Granted Jun 14, 2016·0 cites·8 claims
- 2057US11499062B2Ink, ink set, ink container, image forming method, and image forming apparatusRICOH CO LTD·Filed 2018·Granted Nov 15, 2022·0 cites·13 claims
- 2157US9416284B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2015·Granted Aug 16, 2016·0 cites·7 claims
- 2256US9217091B2Inkjet 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
- 2355US9850335B2Copolymer, aqueous ink, and ink cartridgeRICOH CO LTD·Filed 2015·Granted Dec 26, 2017·0 cites·13 claims
- 2455US9309427B2Ink composition, ink cartridge, inkjet recording device, and inkjet printed matterMATSUYAMA AKIHIKO·Filed 2014·Granted Apr 12, 2016·0 cites·14 claims
- 2553US9938421B2Set 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
- 2653US8486185B2Inkjet recording ink, ink cartridge and inkjet recording apparatusKUDOH MASAKI·Filed 2010·Granted Jul 16, 2013·1 cites·20 claims
- 2751US10035869B2Copolymer, aqueous ink, and ink cartridgeHARADA SHIGEYUKI·Filed 2016·Granted Jul 31, 2018·0 cites·10 claims
- 2850US10131805B2Ink, ink stored container, inkjet recording apparatus, and printed matterKATOH KEITA·Filed 2016·Granted Nov 20, 2018·0 cites·12 claims
- 2950US9688871B2Inkjet 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
- 3050US8956451B2Ink set and inkjet recording methodKATOH KEITA·Filed 2013·Granted Feb 17, 2015·0 cites·13 claims
- 3150US2015116421A1Inkjet recording ink, ink cartridge using the ink, and inkjet recording device using the inkNONOGAKI MASAYASU·Filed 2014·Application pending·0 cites
- 3250US2014141209A1Ink 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
- 3350US2014120331A1Ink for inkjet recordingKOIZUKA YUUSUKE·Filed 2013·Application pending·0 cites
- 3449US9321926B2Ink for inkjet recording, ink cartridge, and ink-recorded matterKATOH KEITA·Filed 2015·Granted Apr 26, 2016·0 cites·18 claims
- 3549US9200169B2Inkjet recording ink, ink cartridge, and inkjet recording methodNONOGAKI MASAYASU·Filed 2013·Granted Dec 1, 2015·0 cites·12 claims
- 3649US2013197144A1Inkjet ink and ink cartridgeKATOH KEITA·Filed 2013·Application pending·0 cites
- 3748US9139749B2Ink composition, recording method, printed matter, ink cartridge, and inkjet recording deviceRICOH CO LTD·Filed 2013·Granted Sep 22, 2015·0 cites·13 claims
- 3848US2018094149A1Image forming method and image forming apparatusKATOH KEITA·Filed 2017·Application pending·0 cites
- 3942US9617439B2Ink composition, ink cartridge, ink recording device, and recorded matterMATSUYAMA AKIHIKO·Filed 2015·Granted Apr 11, 2017·0 cites·10 claims
- 4040US9597891B2Inkjet ink, method of manufacturing inkjet ink, ink cartridge, and inkjet recording deviceNONOGAKI MASAYASU·Filed 2015·Granted Mar 21, 2017·0 cites·10 claims
- 4138US6043480ALight measuring device capable of measuring optical power level easily with high accuracyANRITSU CORP·Filed 1998·Granted Mar 28, 2000·9 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →