Inventor · disambiguated record
Ryuji Kato
Also filed as: KATO RYUJI
45 granted patents·14 pending applications·147 citations·filing 2002–2024
97Inventor score
Top patents by PatentIndex Score
59 records- 0191US7465345B2Ink-jet ink setBROTHER IND LTD·Filed 2007·Granted Dec 16, 2008·14 cites·20 claims
- 0291US7244296B2Water based ink set for ink-jet recording and inkjet recording methodBROTHER IND LTD·Filed 2005·Granted Jul 17, 2007·12 cites·26 claims
- 0390US7736425B2Ink set for ink-jet recording, ink for ink-jet recording and method for forming imageBROTHER IND LTD·Filed 2007·Granted Jun 15, 2010·11 cites·17 claims
- 0489US7736424B2Ink set for ink-jet recording, ink for ink-jet recording and method for forming imageBROTHER IND LTD·Filed 2007·Granted Jun 15, 2010·10 cites·17 claims
- 0588US7766471B2Ink set for ink-jet recordingBROTHER IND LTD·Filed 2007·Granted Aug 3, 2010·10 cites·18 claims
- 0686US6783222B2Water base pigment ink for ink-jet recording and ink-jet recording methodBROTHER IND LTD·Filed 2002·Granted Aug 31, 2004·24 cites·14 claims
- 0785US7553361B2Water base ink for ink-jet recordingBROTHER IND LTD·Filed 2005·Granted Jun 30, 2009·5 cites·6 claims
- 0883US6679598B2Water base pigment ink for ink-jet recording and ink-jet recording apparatusBROTHER IND LTD·Filed 2002·Granted Jan 20, 2004·20 cites·12 claims
- 0981US7384461B2Water-based ink set for ink-jet recording and ink-jet recording methodBROTHER IND LTD·Filed 2005·Granted Jun 10, 2008·4 cites·28 claims
- 1080US7244297B2Water based ink set for ink-jet recording and inkjet recording methodBROTHER IND LTD·Filed 2005·Granted Jul 17, 2007·4 cites·10 claims
- 1179US7686444B2Water-based ink for ink-jet recording and ink-jet recording methodBROTHER IND LTD·Filed 2006·Granted Mar 30, 2010·3 cites·7 claims
- 1277US9567560B2Incubated state evaluating device, incubated state evaluating method, incubator, and programHONDA HIROYUKI·Filed 2010·Granted Feb 14, 2017·5 cites·9 claims
- 1375US8690304B2Treatment solution for ink-jet recording, water-based ink set for ink-jet recording, ink-jet recording method, and ink-jet recording apparatusSUGIMOTO JUNICHIRO·Filed 2011·Granted Apr 8, 2014·2 cites·15 claims
- 1474US7384460B2Water-based ink set for ink-jet recording and ink-jet recording methodBROTHER IND LTD·Filed 2005·Granted Jun 10, 2008·2 cites·27 claims
- 1574US2025058564A1Liquid discharge apparatus and wiping methodBROTHER IND LTD·Filed 2024·Application pending·0 cites
- 1673US7438749B2Ink-jet ink setBROTHER IND LTD·Filed 2007·Granted Oct 21, 2008·2 cites·14 claims
- 1773US7407537B2Ink set for ink-jet recording, method for producing the same, and the ink-jet printerBROTHER IND LTD·Filed 2005·Granted Aug 5, 2008·2 cites·17 claims
- 1872US8338174B2Material for ameliorating skin tissue and method for producing the sameEBISAWA KATSUMI·Filed 2009·Granted Dec 25, 2012·6 cites·4 claims
- 1970US7416590B2Water-based ink set for ink-jet recordingBROTHER IND LTD·Filed 2005·Granted Aug 26, 2008·2 cites·11 claims
- 2069US7357832B2Water base pigment ink for ink-jet recording, ink cartridge accommodating the same, and ink-jet recording methodBROTHER IND LTD·Filed 2005·Granted Apr 15, 2008·1 cites·11 claims
- 2165US8061822B2Liquid droplet jetting apparatusKUBO TOMOYUKI·Filed 2008·Granted Nov 22, 2011·2 cites·13 claims
- 2265US2025108617A1Liquid discharge deviceBROTHER IND LTD·Filed 2024·Application pending·0 cites
- 2363US7971983B2Ink set for ink-jet recording, ink-jet recording method, and ink-jet recording apparatusBROTHER IND LTD·Filed 2008·Granted Jul 5, 2011·2 cites·10 claims
- 2463US7637993B2Water base ink for ink-jet recordingBROTHER IND LTD·Filed 2008·Granted Dec 29, 2009·0 cites·3 claims
- 2561US8691004B2Method of ink-jet recording, pretreatment liquid, ink set, and ink-jet recording apparatusTAHARA AI·Filed 2010·Granted Apr 8, 2014·2 cites·16 claims
- 2660US2013344597A1Cell culture method and automatic culture system using the methodKANEKA CORP·Filed 2013·Application pending·0 cites
- 2759US2024391241A1Observing apparatus, printing apparatus, and observing methodBROTHER IND LTD·Filed 2024·Application pending·0 cites
- 2859US2024391240A1Liquid discharge apparatus and estimation methodBROTHER IND LTD·Filed 2024·Application pending·0 cites
- 2958US7438751B2Ink-jet ink setBROTHER IND LTD·Filed 2007·Granted Oct 21, 2008·0 cites·19 claims
- 3056US2017166858A1Incubated state evaluating device, incubated state evaluating method, incubator, and programNAT UNIV CORP NAGOYA UNIV·Filed 2016·Application pending·0 cites
- 3155US7137693B2Ink container and ink container-sealing wrapper assemblyBROTHER IND LTD·Filed 2004·Granted Nov 21, 2006·2 cites·20 claims
- 3253US7438750B2Ink-jet ink setBROTHER IND LTD·Filed 2007·Granted Oct 21, 2008·0 cites·20 claims
- 3353US2010141723A1Water-Based Ink For Ink-Jet Recording And Ink-Jet Recording MethodBROTHER IND LTD·Filed 2010·Application pending·0 cites
- 3453US2010317102A1Cell Culture Method and Automatic Culture System Using the MethodSUZUKI TSUTOMU·Filed 2006·Application pending·0 cites
- 3551US12305155B2Quality evaluation methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted May 20, 2025·0 cites·5 claims
- 3650US10245839B2Cap for ink tank, ink tank, and ink-jet recording apparatusBROTHER IND LTD·Filed 2017·Granted Apr 2, 2019·0 cites·15 claims
- 3750US2016144032A1Composition for new bone formation, and new bone formation systemUNIV NAGOYA NAT UNIV CORP·Filed 2014·Application pending·0 cites
- 3848US9090790B2Water-based ink for ink-jet recording, ink cartridge, ink-jet recording apparatus, ink-jet recording method, method for producing water-based ink for ink-jet recording, and method for preventing corrosion of metal member of ink-jet recording apparatusSUGIMOTO JUNICHIRO·Filed 2011·Granted Jul 28, 2015·0 cites·8 claims
- 3947US9067422B2Ink cartridge, method for manufacturing ink cartridge, ink-jet recording apparatus, and ink-jet recording methodIWAMURA YUKO·Filed 2013·Granted Jun 30, 2015·0 cites·12 claims
- 4047US8162435B2Liquid droplet jetting apparatusKUBO TOMOYUKI·Filed 2008·Granted Apr 24, 2012·0 cites·9 claims
- 4147US2006189714A1Water based ink set for ink-jet recording and inkjet recording methodBROTHER IND LTD·Filed 2006·Application pending·0 cites
- 4246US8672464B2Treatment liquid for ink-jet recording, ink set, and ink-jet recording methodKATO RYUJI·Filed 2011·Granted Mar 18, 2014·0 cites·6 claims
- 4346US8091994B2Liquid droplet jetting apparatus including liquid tank and two heads connected in seriesKUBO TOMOYUKI·Filed 2008·Granted Jan 10, 2012·0 cites·13 claims
- 4446US2005275701A1Water base ink for ink-jet recordingBROTHER IND LTD·Filed 2005·Application pending·0 cites
- 4545US8282718B2Surface treatment solution, ink set, ink-jet recording method, and ink-jet recording apparatusFUKAYA HIDEJI·Filed 2010·Granted Oct 9, 2012·0 cites·18 claims
- 4645US7753999B2Water based ink for ink jet recording and ink jet recording methodBROTHER KOGYU KABUSHIKI KAISHA·Filed 2006·Granted Jul 13, 2010·0 cites·15 claims
- 4745US7328989B2Water base ink set for ink-jet recordingBROTHER IND LTD·Filed 2004·Granted Feb 12, 2008·0 cites·13 claims
- 4845US7216966B2Water base ink set for ink-jet recordingBROTHER IND LTD·Filed 2003·Granted May 15, 2007·0 cites·8 claims
- 4945US2010134572A1Ink Jet Recording Apparatus and Ink Jet Recording MethodBROTHER IND LTD·Filed 2009·Application pending·0 cites
- 5044US9309420B2Ink-jet recording apparatusKATO RYUJI·Filed 2013·Granted Apr 12, 2016·0 cites·19 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →