Inventor · disambiguated record
Tsuneyasu Nagatomo
Also filed as: NAGATOMO TSUNEYASU
33 granted patents·19 pending applications·92 citations·filing 2005–2025
95Inventor score
Top patents by PatentIndex Score
52 records- 0198US7455942B2Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method using the sameRICOH KK·Filed 2005·Granted Nov 25, 2008·41 cites·19 claims
- 0292US9523931B2Toner, developer and image forming apparatusKOJIMA SATOSHI·Filed 2014·Granted Dec 20, 2016·8 cites·14 claims
- 0388US9069288B2Toner housing container and image forming apparatusKOJIMA SATOSHI·Filed 2014·Granted Jun 30, 2015·5 cites·16 claims
- 0486US9023570B2Toner, developer, and image forming apparatusSHIBA MASANA·Filed 2011·Granted May 5, 2015·5 cites·15 claims
- 0586US7695878B2Image forming apparatus, process cartridge and toner for use in the image forming apparatusRICOH KK·Filed 2007·Granted Apr 13, 2010·7 cites·22 claims
- 0683US8614043B2TonerWATANABE MASAKI·Filed 2012·Granted Dec 24, 2013·3 cites·23 claims
- 0783US8227164B2Toner, and developer, developer container, process cartridge, image forming apparatus and image forming method using the tonerSUGIMOTO TSUYOSHI·Filed 2010·Granted Jul 24, 2012·3 cites·16 claims
- 0882US8956795B2Toner for developing electrostatic image, two-component developer and image forming apparatusKOJIMA SATOSHI·Filed 2013·Granted Feb 17, 2015·3 cites·10 claims
- 0982US7803508B2Toner as well as developer and image forming method using the sameRICOH KK·Filed 2007·Granted Sep 28, 2010·6 cites·14 claims
- 1079US9005864B2Toner, two-component developer and image forming apparatusSATOH SYOUKO·Filed 2013·Granted Apr 14, 2015·4 cites·7 claims
- 1170US9804516B2Toner, developer, image forming apparatus, and process cartridgeMAKABE KEIJI·Filed 2016·Granted Oct 31, 2017·1 cites·8 claims
- 1267US2023279222A1Resin particles, method of producing resin particles, toner, toner storage unit, and image forming apparatusNAGATOMO TSUNEYASU·Filed 2023·Application pending·0 cites
- 1366US2025284217A1Resin particle, method of manufacturing resin particle, toner, toner storage container, and image forming apparatusNAGATOMO TSUNEYASU·Filed 2025·Application pending·0 cites
- 1465US9086647B2Developing device that suppresses hysteresisSAKASHITA SHINGO·Filed 2013·Granted Jul 21, 2015·1 cites·10 claims
- 1563US2023139673A1Resin particle, toner, developer, developer storage container, resin particle producing method, toner producing method, image forming apparatus, and image forming methodSATOH KOHSUKE·Filed 2022·Application pending·0 cites
- 1662US8293442B2Resin particle, toner, and image forming method and process cartridge using the sameWATANABE MASAKI·Filed 2009·Granted Oct 23, 2012·2 cites·19 claims
- 1760US12346062B2Toner, toner storage unit, image forming apparatus and method of forming imageSUGIYAMA TOSHIHIKO·Filed 2022·Granted Jul 1, 2025·0 cites·20 claims
- 1858US8178268B2Magenta toner and developerWATANABE NAOHIRO·Filed 2009·Granted May 15, 2012·1 cites·18 claims
- 1958US8043778B2Toner, method for preparing the toner, and image forming apparatus using the tonerRICOH CO LTD·Filed 2007·Granted Oct 25, 2011·1 cites·22 claims
- 2057US9291931B2Electrostatic charge image developing tonerRICOH CO LTD·Filed 2014·Granted Mar 22, 2016·0 cites·8 claims
- 2157US8029960B2Toner for developing electrostatic latent image, and image forming apparatus and process cartridge using the tonerRICOH CO LTD·Filed 2008·Granted Oct 4, 2011·1 cites·18 claims
- 2255US11061345B2Toner, toner stored unit, developer, developer stored unit, and image forming apparatusSATOH KOHSUKE·Filed 2020·Granted Jul 13, 2021·0 cites·12 claims
- 2353US11054757B2Toner, image forming apparatus, image forming method, and process cartridgeKITAGAWA YOHICHI·Filed 2019·Granted Jul 6, 2021·0 cites·6 claims
- 2453US9791794B2Toner, developer, and image forming apparatusWATANABE JUNICHI·Filed 2016·Granted Oct 17, 2017·0 cites·9 claims
- 2553US9042802B2Image forming apparatusHASE TAKAMASA·Filed 2014·Granted May 26, 2015·0 cites·13 claims
- 2652US8435716B2Method for producing toner, toner, and image forming method using the sameWATANABE MASAKI·Filed 2011·Granted May 7, 2013·0 cites·7 claims
- 2751US11796931B2Toner, method for manufacturing toner, developer, toner accommodating unit, image forming apparatus, and image forming methodRICOH CO LTD·Filed 2020·Granted Oct 24, 2023·0 cites·20 claims
- 2851US2024319624A1Resin particles, toner, method for manufacturing resin particles, image forming apparatus, and method of forming imageNAGATOMO TSUNEYASU·Filed 2024·Application pending·0 cites
- 2951US2010119255A1Image forming apparatus, process cartridge and toner for use in the image forming apparatusSESHITA TAKUYA·Filed 2010·Application pending·0 cites
- 3050US10295919B2Toner, developer, toner storage unit, and image forming apparatusMAKABE KEIJI·Filed 2017·Granted May 21, 2019·0 cites·7 claims
- 3149US8785093B2Image forming toner, and developer and process cartridge using the tonerSAWADA TOYOSHI·Filed 2008·Granted Jul 22, 2014·0 cites·9 claims
- 3246US9274445B2Toner set, developer set, and image forming apparatusAWAMURA JUNICHI·Filed 2013·Granted Mar 1, 2016·0 cites·7 claims
- 3346US8703375B2Toner, method for forming toner, developer, and image forming methodSHIMOTA NAOHITO·Filed 2011·Granted Apr 22, 2014·0 cites·20 claims
- 3445US8748071B2Image forming method, toner and image forming apparatusKOJIMA SATOSHI·Filed 2008·Granted Jun 10, 2014·0 cites·14 claims
- 3544US8377620B2Image forming apparatus, image forming method, and toner for image forming apparatusRICOH CO LTD·Filed 2008·Granted Feb 19, 2013·0 cites·7 claims
- 3643US11079700B2Image forming apparatus and image forming methodMAKABE KEIJI·Filed 2020·Granted Aug 3, 2021·0 cites·10 claims
- 3743US7817955B2Image forming apparatus for securing good cleaning performance without cleaning blade abrasionRICOH KK·Filed 2007·Granted Oct 19, 2010·0 cites·9 claims
- 3841US2009142094A1Toner, developer, process cartridge, and image forming apparatusSAWADA TOYOSHI·Filed 2008·Application pending·0 cites
- 3941US2008227015A1Toner for developing electrostatic latent image, toner container, developer, image forming apparatus, process cartridge and method of preparing the tonerNAGATOMO TSUNEYASU·Filed 2008·Application pending·0 cites
- 4041US2009067876A1Image forming method, image forming apparatus and process cartridgeSESHITA TAKUYA·Filed 2008·Application pending·0 cites
- 4141US2013243488A1Toner, two-component developer, and image forming apparatusKOJIMA SATOSHI·Filed 2013·Application pending·0 cites
- 4240US2015104739A1Toner, developer, and image forming apparatusNAGATOMO TSUNEYASU·Filed 2013·Application pending·0 cites
- 4340US2023324823A1Resin particles, toner, developer, toner housing unit, image forming apparatus, and method of forming imageSUGIYAMA TOSHIHIKO·Filed 2023·Application pending·0 cites
- 4439US2013224648A1Electrostatic image developing toner particles and developerHONDA TAKAHIRO·Filed 2011·Application pending·0 cites
- 4539US2007275315A1Toner, method for manufacturingthe toner, and developer, image forming method, image forming apparatus and process cartridge using the tonerNAGATOMO TSUNEYASU·Filed 2007·Application pending·0 cites
- 4639US2007218385A1Toner, and image forming apparatus and process cartridge using the tonerKOJIMA SATOSHI·Filed 2007·Application pending·0 cites
- 4738US9891548B2Image forming method, toner, and image forming apparatusHASE TAKAMASA·Filed 2015·Granted Feb 13, 2018·0 cites·5 claims
- 4837US2010075243A1Toner for electrophotography, and two-component developer and image forming method using the tonerSHIMOTA NAOHITO·Filed 2009·Application pending·0 cites
- 4937US2014140731A1Toner, developer, image forming apparatus and image forming methodHOZUMI MAMORU·Filed 2012·Application pending·0 cites
- 5037US2011151372A1Toner, image forming method using the toner, and image forming apparatus using the tonerWATANABE MASAKI·Filed 2010·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →