Inventor · disambiguated record
Yuka Ishihara
Also filed as: ISHIHARA YUKA · SAKAI LEGAL REPRESENTATIVE TER
24 granted patents·11 pending applications·155 citations·filing 1993–2024
95Inventor score
Files withFUJI XEROX CO LTD21FUJIFILM BUSINESS INNOVATION CORP11ISHIHARA YUKA2SEKISUI MEDICAL CO LTD1
Top patents by PatentIndex Score
35 records- 0182US7713669B2Toner for developing electrostatic images, electrostatic image developer, and image-forming methodFUJI XEROX CO LTD·Filed 2005·Granted May 11, 2010·7 cites·16 claims
- 0282US6607864B2Image forming methodFUJI XEROX CO LTD·Filed 2001·Granted Aug 19, 2003·20 cites·18 claims
- 0377US7291436B2Electrophotographic toner, method for producing the same, electrophotographic developer, and image forming methodFUJI XEROX CO LTD·Filed 2004·Granted Nov 6, 2007·15 cites·19 claims
- 0469US7303846B2Electrophotographic toner, process for producing the same, and process for forming imageFUJI XEROX CO LTD·Filed 2005·Granted Dec 4, 2007·3 cites·19 claims
- 0569US5804351AToner for electrostatic-image development, developer for electrostatic image, and image forming process using the sameFUJI XEROX CO LTD·Filed 1996·Granted Sep 8, 1998·21 cites·6 claims
- 0664US6001527AElectrostatic charge image developer, image formation method and image forming deviceFUJI XEROX CO LTD·Filed 1997·Granted Dec 14, 1999·15 cites·18 claims
- 0763US8501380B2Electrostatic latent image developing toner, electrostatic latent image developer, toner cartridge, process cartridge and image forming apparatusISHIHARA YUKA·Filed 2010·Granted Aug 6, 2013·1 cites·15 claims
- 0862US12416875B2Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Sep 16, 2025·0 cites·20 claims
- 0962US6242146B1Carrier for electrostatic-charged image developer, developer and image forming process using the same, and carrier core material reproducing processFUJI XEROX CO LTD·Filed 2000·Granted Jun 5, 2001·8 cites·13 claims
- 1059US6942951B2Image forming methodFUJI XEROX CO LTD·Filed 2002·Granted Sep 13, 2005·7 cites·12 claims
- 1158US6864029B2Electrophotographic toner, manufacture of the same, electrostatic latent image developer, and image forming methodFUJI XEROX CO LTD·Filed 2002·Granted Mar 8, 2005·6 cites·14 claims
- 1257US11543758B2Unit and image forming apparatus for fixing a toner image with a developer including a brilliant toner containing a flat brilliant pigmentFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jan 3, 2023·0 cites·19 claims
- 1357US6895206B2Image fixing apparatus and image fixing method for a crystalline resin-containing tonerFUJI XEROX CO LTD·Filed 2003·Granted May 17, 2005·6 cites·19 claims
- 1456US12164264B2Toner for electrostatic charge image development, electrostatic charge image developer, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Dec 10, 2024·0 cites·14 claims
- 1555US6214512B1Image forming methodFUJI XEROX CO LTD·Filed 1998·Granted Apr 10, 2001·11 cites·20 claims
- 1655US2025291268A1Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 1754US10067437B2Electrostatic charge image developer, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Granted Sep 4, 2018·0 cites·13 claims
- 1854US2025284219A1Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 1954US2025284218A1Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 2054US2025208130A1Latex particle dispersion liquidSEKISUI MEDICAL CO LTD·Filed 2023·Application pending·0 cites
- 2153US2025102938A1Toner set for electrostatic image development, electrostatic image developer set, toner cartridge set, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 2253US2025102941A1Electrostatic-image developing toner set, electrostatic-image developer set, toner cartridge set, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 2353US2025102940A1Electrostatic-image developing toner set, electrostatic-image developer set, toner cartridge set, process cartridge, image forming apparatus, and image forming methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 2451US5884129AElectrostatic-image developer and image forming processFUJI XEROX CO LTD·Filed 1997·Granted Mar 16, 1999·9 cites·8 claims
- 2551US5849451AElectrophotographic dry toner comprising inorganic particlesFUJI XEROX CO LTD·Filed 1997·Granted Dec 15, 1998·10 cites·23 claims
- 2648US5340678ADry tower for developing electrostatic image, process for producing same, and image formation method using sameFUJI XEROX CO LTD·Filed 1993·Granted Aug 23, 1994·7 cites·12 claims
- 2748US2024094654A1Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 2847US6569592B2Image forming methodFUJI XEROX CO LTD·Filed 2001·Granted May 27, 2003·3 cites·16 claims
- 2945US8685602B2Toner for electrophotography, developer for electrophotography, toner cartridge, image forming apparatus, and image forming methodISHIHARA YUKA·Filed 2011·Granted Apr 1, 2014·0 cites·14 claims
- 3045US6895205B2Image fixing apparatus with cooling unit and image fixing methodFUJI XEROX CO LTD·Filed 2003·Granted May 17, 2005·3 cites·20 claims
- 3143US2023098242A1Toner for developing electrostatic charge image and electrostatic charge image developerFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Application pending·0 cites
- 3241US9891577B2Image forming apparatus and image forming method using a toner carrier containing silicon derived from silica and silicone oilFUJI XEROX CO LTD·Filed 2016·Granted Feb 13, 2018·0 cites·14 claims
- 3337US2017269499A1Image Forming Method and Image Forming ApparatusFUJI XEROX CO LTD·Filed 2016·Application pending·0 cites
- 3437US2006292473A1Electrostatic latent image developing tonerFUJI XEROX CO LTD·Filed 2005·Application pending·0 cites
- 3535US5663021AFilm for electrophotographic transfer, color toner, and method of color image formationFUJI XEROX CO LTD·Filed 1996·Granted Sep 2, 1997·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →