Inventor · disambiguated record
Yosuke Tsurumi
Also filed as: TSURUMI YOSUKE
51 granted patents·30 pending applications·188 citations·filing 2000–2024
97Inventor score
Technology areasG03G
Files withFUJIFILM BUSINESS INNOVATION CORP37FUJI XEROX CO LTD33TSURUMI YOSUKE3FUKUSHIMA NORIHITO2KIYONO FUSAKO2
Top patents by PatentIndex Score
81 records- 0194US6403271B1Toner for developing electrostatic latent image, process for producing the same, developer for developing electrostatic latent image, and process for forming imageFUJI XEROX CO LTD·Filed 2000·Granted Jun 11, 2002·45 cites·12 claims
- 0292US10503091B2Carrier for electrostatic image development and electrostatic image developerFUJI XEROX CO LTD·Filed 2018·Granted Dec 10, 2019·5 cites·7 claims
- 0390US7575841B2Toner for electrophotography, manufacturing method of toner for electrophotography, developer for electrophotography, and image forming methodFUJI XEROX CO LTD·Filed 2005·Granted Aug 18, 2009·12 cites·16 claims
- 0489US7267920B2Toner for developing electrostatic latent images, production method thereof, and electrostatic latent image developer using the sameFUJI XEROX CO LTD·Filed 2004·Granted Sep 11, 2007·32 cites·18 claims
- 0586US7488562B2Electrophotographic toner, method for producing the same, electrophotographic developer, method for producing the developer, and image forming methodFUJI XEROX CO LTD·Filed 2005·Granted Feb 10, 2009·8 cites·14 claims
- 0684US7498113B2Toner for developing electrostatic image, production method thereof, resin particle dispersion, and electrostatic image developerFUJI XEROX CO LTD·Filed 2005·Granted Mar 3, 2009·7 cites·18 claims
- 0784US6479206B1Toner for developing electrostatic latent image, process for producing the same, developer for developing electrostatic latent image, and process for forming imageFUJI XEROX CO LTD·Filed 2002·Granted Nov 12, 2002·19 cites·9 claims
- 0882US7713669B2Toner for developing electrostatic images, electrostatic image developer, and image-forming methodFUJI XEROX CO LTD·Filed 2005·Granted May 11, 2010·7 cites·16 claims
- 0981US8486600B2Carrier for developing electrostatic charge image, developer for electrostatic charge image, process cartridge and image forming apparatusFUKUSHIMA NORIHITO·Filed 2011·Granted Jul 16, 2013·3 cites·16 claims
- 1080US11531284B2Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Dec 20, 2022·1 cites·18 claims
- 1180US11392052B2Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Jul 19, 2022·1 cites·20 claims
- 1276US6489075B2Toner for developing electrostatic latent image, process for producing the same, developer for developing electrostatic latent image, and process for forming imageFUJI XEROX CO LTD·Filed 2002·Granted Dec 3, 2002·12 cites·16 claims
- 1374US7432030B2Toner for developing electrostatic latent image, developer for developing electrostatic latent image, and process for producing toner for developing electrostatic latent imageFUJI XEROX CO LTD·Filed 2005·Granted Oct 7, 2008·5 cites·18 claims
- 1474US6916586B2Toner for electrostatic charged image development and process for preparing the same, as well as image forming method, image forming apparatus and toner cartridgeFUJI XEROX CO LTD·Filed 2003·Granted Jul 12, 2005·13 cites·24 claims
- 1564US12461467B2Carrier for electrostatic image development, electrostatic image developer, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Granted Nov 4, 2025·0 cites·20 claims
- 1664US10831119B2Electrostatic-image developer and process cartridgeFUJI XEROX CO LTD·Filed 2019·Granted Nov 10, 2020·0 cites·9 claims
- 1763US12248275B2Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridgeFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Mar 11, 2025·0 cites·10 claims
- 1863US12117769B2Method for producing recycled carrier, method for producing recycled electrostatic charge image developer, image forming method, and recycled carrierFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Oct 15, 2024·0 cites·22 claims
- 1963US11982975B2Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted May 14, 2024·0 cites·18 claims
- 2063US10739689B2Electrostatic charge image developer and process cartridgeFUJI XEROX CO LTD·Filed 2019·Granted Aug 11, 2020·0 cites·16 claims
- 2163US7166401B2Toner for electrophotography, image-forming method, image-forming apparatus and toner cartridgeFUJI XEROX CO LTD·Filed 2004·Granted Jan 23, 2007·8 cites·10 claims
- 2261US9513570B2Electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2014·Granted Dec 6, 2016·0 cites·9 claims
- 2361US9176401B2Electrostatic image developing carrier, process of making the same, electrostatic image developer, process cartridge, image forming method, and image forming apparatusFUJI XEROX CO LTD·Filed 2013·Granted Nov 3, 2015·0 cites·4 claims
- 2460US12181836B2Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Dec 31, 2024·0 cites·18 claims
- 2560US10852651B2Electrostatic-image developer and process cartridgeFUJI XEROX CO LTD·Filed 2019·Granted Dec 1, 2020·0 cites·13 claims
- 2660US8877419B2Method of forming composite color imageINOUE SATOSHI·Filed 2006·Granted Nov 4, 2014·2 cites·12 claims
- 2759US9557676B2Electrostatic charge image developing carrier, electrostatic charge image developer, and developer cartridgeFUJI XEROX CO LTD·Filed 2014·Granted Jan 31, 2017·0 cites·16 claims
- 2858US12169390B2Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Dec 17, 2024·0 cites·20 claims
- 2958US12153377B2Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Nov 26, 2024·0 cites·20 claims
- 3058US12019395B2Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jun 25, 2024·0 cites·18 claims
- 3158US11556071B2Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jan 17, 2023·0 cites·20 claims
- 3257US8586276B2Carrier for electrostatic latent image development, and developer for electrostatic latent image development, method of forming an image, developer cartridge for electrostatic latent image development, process cartridge and image forming apparatus using the sameMATSUMOTO AKIRA·Filed 2008·Granted Nov 19, 2013·1 cites·15 claims
- 3357US8293445B2Electrostatic image developing carrier, electrostatic image developer, process cartridge, image forming method, and image forming apparatusTSURUMI YOSUKE·Filed 2009·Granted Oct 23, 2012·1 cites·12 claims
- 3457US7745087B2Electrostatic image developer, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2007·Granted Jun 29, 2010·1 cites·18 claims
- 3556US2025251674A1Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming method, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 3656US2025264823A1Image forming apparatus and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 3755US8577256B2Electrostatic image developing carrier, electrostatic image developer, process cartridge, image forming method, and image forming apparatusTSURUMI YOSUKE·Filed 2012·Granted Nov 5, 2013·0 cites·3 claims
- 3855US2025053108A1Carrier for electrostatic image development, electrostatic image developer, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 3954US12174583B2Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Dec 24, 2024·0 cites·8 claims
- 4053US8815486B2Carrier for two-component developer, two-component developer, image forming method, and image forming apparatusFUKUSHIMA NORIHITO·Filed 2011·Granted Aug 26, 2014·0 cites·16 claims
- 4151US11550235B2Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Jan 10, 2023·0 cites·17 claims
- 4251US7894751B2Container for the storage of toner, container for the storage of developer and image-forming apparatus using these containersFUJI XEROX CO LTD·Filed 2009·Granted Feb 22, 2011·0 cites·22 claims
- 4351US2010233608A1Electrostatic image developing carrier, process of making the same, electrostatic image developer, process cartridge, image forming method, and image forming apparatusFUJI XEROX CO LTD·Filed 2009·Application pending·0 cites
- 4451US2024319625A1Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4551US2024319630A1Electrostatic charge image developer, developer cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4650US2024134298A1Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4749US2024118642A1Toner for electrostatic image development, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4849US2024118641A1Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4949US2024118640A1Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 5049US2024118643A1Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →