Inventor · disambiguated record
Kazuoki Fuwa
Also filed as: FUWA KAZUOKI
34 granted patents·20 pending applications·95 citations·filing 2007–2023
96Inventor score
Technology areasG03G
Top patents by PatentIndex Score
54 records- 0195US7720428B2Toner recovery apparatus, process cartridge, and image forming apparatusRICOH KK·Filed 2008·Granted May 18, 2010·19 cites·13 claims
- 0292US7820348B2Toner recovery apparatus, process cartridge, and image forming apparatusRICOH KK·Filed 2010·Granted Oct 26, 2010·6 cites·4 claims
- 0390US7587159B2Image forming method and apparatus including a relationship between secondary roller diameter and recording medium ingress positionRICOH KK·Filed 2007·Granted Sep 8, 2009·11 cites·20 claims
- 0488US7727694B2Toner for developing electrostatic image, and image forming method and apparatus and process cartridge using the tonerRICOH KK·Filed 2007·Granted Jun 1, 2010·9 cites·14 claims
- 0586US8518625B2Toner, image forming apparatus, image forming method and process cartridgeFUKAO TOMOHIRO·Filed 2011·Granted Aug 27, 2013·5 cites·18 claims
- 0684US9285695B2Latent electrostatic image developing tonerMIKI TOMOHARU·Filed 2012·Granted Mar 15, 2016·4 cites·20 claims
- 0784US7817946B2Developing device, image developing method, image forming apparatus, image forming method, and process cartridgeRICOH KK·Filed 2007·Granted Oct 19, 2010·7 cites·12 claims
- 0882US8852836B2Toner, method for producing the same, and image forming apparatusSEKI MASAHIRO·Filed 2012·Granted Oct 7, 2014·3 cites·6 claims
- 0982US8614040B2Electrostatic image developing toner, toner container and process cartridgeFUKAO TOMOHIRO·Filed 2012·Granted Dec 24, 2013·3 cites·16 claims
- 1078US10429756B2Toner, developer, process cartridge, image forming apparatus, image forming method, and method for manufacturing tonerFUWA KAZUOKI·Filed 2018·Granted Oct 1, 2019·2 cites·10 claims
- 1176US8642238B2Toner, developer and method for producing tonerNOZAKI TSUYOSHI·Filed 2012·Granted Feb 4, 2014·2 cites·19 claims
- 1276US8623581B2Electrostatic image developing toner, developer, and image forming apparatusFUKAO TOMOHIRO·Filed 2012·Granted Jan 7, 2014·2 cites·20 claims
- 1375US8021814B2Toner, and oilless fixing method and process cartridge using the tonerRICOH CO LTD·Filed 2008·Granted Sep 20, 2011·4 cites·19 claims
- 1475US7873300B2Single component development device, process cartridge and tonerRICOH CO LTD·Filed 2008·Granted Jan 18, 2011·4 cites·10 claims
- 1570US7979010B2Image forming apparatus and image forming methodRICOH CO LTD·Filed 2008·Granted Jul 12, 2011·3 cites·12 claims
- 1668US9152066B2Toner, developer, process cartridge, and image forming apparatusINOUE RYOTA·Filed 2013·Granted Oct 6, 2015·1 cites·16 claims
- 1765US7867680B2Non-magnetic toner for one-component development and method of preparing the toner, and image developer, image forming apparatus, process cartridge and image forming methodRICOH CO LTD·Filed 2009·Granted Jan 11, 2011·2 cites·17 claims
- 1862US8103199B2Developing device, and image forming method and process cartridge using the developing deviceYASUNAGA HIDEAKI·Filed 2008·Granted Jan 24, 2012·2 cites·15 claims
- 1962US7970323B2Developing device, developer therefor, and image forming method and apparatus, and process cartridge using the developing deviceRICOH CO LTD·Filed 2008·Granted Jun 28, 2011·2 cites·15 claims
- 2060US12346062B2Toner, toner storage unit, image forming apparatus and method of forming imageSUGIYAMA TOSHIHIKO·Filed 2022·Granted Jul 1, 2025·0 cites·20 claims
- 2158US8041270B2Image developer using one-component developerRICOH CO LTD·Filed 2008·Granted Oct 18, 2011·1 cites·7 claims
- 2256US7981593B2Toner, developer including the toner, and image forming method and apparatus using the tonerRICOH CO LTD·Filed 2007·Granted Jul 19, 2011·1 cites·10 claims
- 2353US8329371B2Toner for non-magnetic one-component developer, method of preparing the toner, developer and image forming methodMIKURIYA YOSHIHIRO·Filed 2007·Granted Dec 11, 2012·1 cites·18 claims
- 2452US8440380B2Toner and method for producing the sameYAMAMOTO ATSUSHI·Filed 2010·Granted May 14, 2013·0 cites·11 claims
- 2551US9417541B2Toner and image forming apparatusISHIKAWA YOSHIMICHI·Filed 2012·Granted Aug 16, 2016·0 cites·20 claims
- 2651US8192910B2Image forming method, image forming apparatus and process cartridgeKATOH HIROAKI·Filed 2009·Granted Jun 5, 2012·1 cites·8 claims
- 2749US9563140B2TonerNOZAKI TSUYOSHI·Filed 2013·Granted Feb 7, 2017·0 cites·13 claims
- 2849US9268244B2Electrostatic image developing toner, image forming apparatus, image forming method, and process cartridgeFUKAO TOMOHIRO·Filed 2012·Granted Feb 23, 2016·0 cites·15 claims
- 2947US2023026448A1Toner, method of manufacturing toner, toner storage unit, image forming apparatus, and method of forming imageYAMASHITA HIROSHI·Filed 2022·Application pending·0 cites
- 3046US9709912B2Toner, and image forming method, process cartridge, and image forming apparatus using the tonerFUWA KAZUOKI·Filed 2013·Granted Jul 18, 2017·0 cites·4 claims
- 3145US9360824B2Image forming apparatus and process cartridgeFUKAO TOMOHIRO·Filed 2015·Granted Jun 7, 2016·0 cites·10 claims
- 3245US9182688B2Image forming apparatus, image forming method and process cartridgeKADOTA TAKUYA·Filed 2013·Granted Nov 10, 2015·0 cites·9 claims
- 3345US8647803B2Method for producing colored resin particles, colored resin particles, developer, image forming apparatus, image forming method, and process cartridgeYAMAMOTO ATSUSHI·Filed 2012·Granted Feb 11, 2014·0 cites·19 claims
- 3445US8007973B2Full-color toner kit, process cartridge, and image forming methodRICOH CO LTD·Filed 2007·Granted Aug 30, 2011·0 cites·14 claims
- 3544US2023367236A1Resin particle and tonerMATSUSHITA NATSUKO·Filed 2023·Application pending·0 cites
- 3644US2023273537A1Resin particles, toner, developer, toner housing unit, image forming apparatus, and method of forming imageMIZOGUCHI YUKA·Filed 2023·Application pending·0 cites
- 3744US2023266688A1Resin particles, toner resin particles, toner, method of producing resin particles, method of producing toner, developer, toner storage unit, and image forming apparatusWATANABE JUNICHI·Filed 2023·Application pending·0 cites
- 3843US2023280669A1Resin particles and tonerMATSUSHITA NATSUKO·Filed 2023·Application pending·0 cites
- 3941US2024045350A1Resin particle, toner, developing agent, toner accommodating unit, image forming apparatus, and image forming methodSUGIYAMA TOSHIHIKO·Filed 2023·Application pending·0 cites
- 4041US2023288829A1Resin particles, toner, developer, toner housing unit, image forming apparatus, and method of forming imageFUWA KAZUOKI·Filed 2023·Application pending·0 cites
- 4140US2009117481A1Toner for one-component developerYASUNAGA HIDEAKI·Filed 2008·Application pending·0 cites
- 4240US2023324823A1Resin particles, toner, developer, toner housing unit, image forming apparatus, and method of forming imageSUGIYAMA TOSHIHIKO·Filed 2023·Application pending·0 cites
- 4339US8431314B2Colored resin particle and method for producing the sameMIKURIYA YOSHIHIRO·Filed 2010·Granted Apr 30, 2013·0 cites·17 claims
- 4439US2008070149A1Pulverized toner, developing apparatus, process cartridge, image forming apparatus and image forming methodKATO HIROAKI·Filed 2007·Application pending·0 cites
- 4538US2008279591A1One-component toner and image forming methodYASUNAGA HIDEAKI·Filed 2007·Application pending·0 cites
- 4638US2023185209A1Resin particle, toner, toner accommodating unitFUWA KAZUOKI·Filed 2022·Application pending·0 cites
- 4738US2012264048A1Toner, image forming method, image forming apparatus, and process cartridgeISHIKAWA YOSHIMICHI·Filed 2012·Application pending·0 cites
- 4837US2008227009A1Developing device and image forming method using one component developer, and process cartridge using the developing deviceFUWA KAZUOKI·Filed 2008·Application pending·0 cites
- 4935US2012219321A1Toner, image forming apparatus, image forming method and process cartridgeFUKAO TOMOHIRO·Filed 2010·Application pending·0 cites
- 5035US2009052952A1Image forming apparatus, process cartridge and tonerKATOH HIROAKI·Filed 2008·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kazuoki Fuwa 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 →