Inventor · disambiguated record
Takeshi Iwanaga
Also filed as: IWANAGA TAKESHI
87 granted patents·30 pending applications·1,216 citations·filing 1984–2025
99Inventor score
Files withFUJI XEROX CO LTD76FUJIFILM BUSINESS INNOVATION CORP26SUMITOMO RUBBER IND7IWANAGA TAKESHI5MIZUTANI NORIYUKI2
Top patents by PatentIndex Score
117 records- 0199US6429465B1Nitride semiconductor device and method of manufacturing the sameFUJI XEROX CO LTD·Filed 2000·Granted Aug 6, 2002·454 cites·7 claims
- 0299US4792140AIron type golf club headSUMITOMO RUBBER IND·Filed 1984·Granted Dec 20, 1988·258 cites·20 claims
- 0397US10155220B2Titanium oxide particle, composition for forming photocatalyst, and photocatalystFUJI XEROX CO LTD·Filed 2017·Granted Dec 18, 2018·14 cites·19 claims
- 0496US10183275B2Titanium oxide particle, method for producing titanium oxide particle, and composition for forming photocatalystFUJI XEROX CO LTD·Filed 2017·Granted Jan 22, 2019·10 cites·16 claims
- 0595US10538434B2Titanium oxide aerogel particle, photocatalyst forming composition, and photocatalystFUJI XEROX CO LTD·Filed 2018·Granted Jan 21, 2020·4 cites·13 claims
- 0695US9726998B1Electrostatic charge image developer, developer cartridge, and process cartridgeFUJI XEROX CO LTD·Filed 2016·Granted Aug 8, 2017·9 cites·13 claims
- 0794US8216757B2Toner for electrostatic charge image development and manufacturing method thereof, and electrostatic charge image developer, toner cartridge, process cartridge and image forming apparatusMIZUTANI NORIYUKI·Filed 2008·Granted Jul 10, 2012·28 cites·15 claims
- 0893US8460452B2Oxide material, electrophotographic photoreceptor, process cartridge, and image forming deviceYAGI SHIGERU·Filed 2010·Granted Jun 11, 2013·8 cites·7 claims
- 0992US5413336AIron (club) setSUMITOMO RUBBER IND·Filed 1993·Granted May 9, 1995·106 cites·8 claims
- 1090US10100176B2Resin particle compositionFUJI XEROX CO LTD·Filed 2016·Granted Oct 16, 2018·2 cites·10 claims
- 1190US10081718B2Resin particle compositionFUJI XEROX CO LTD·Filed 2016·Granted Sep 25, 2018·2 cites·7 claims
- 1287US9581919B1Image forming apparatus and process cartridgeFUJI XEROX CO LTD·Filed 2016·Granted Feb 28, 2017·3 cites·6 claims
- 1386US10409179B1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2018·Granted Sep 10, 2019·2 cites·13 claims
- 1485US4725060ASet of golf clubsSUMITOMO RUBBER IND·Filed 1986·Granted Feb 16, 1988·70 cites·12 claims
- 1584US5411255AGolf club headSUMITOMO RUBBER IND·Filed 1993·Granted May 2, 1995·85 cites·12 claims
- 1684US5004242AIron gold club head and method of producing the sameSUMITOMO RUBBER IND·Filed 1990·Granted Apr 2, 1991·84 cites·9 claims
- 1781US10807070B2Silica titania composite aerogel particle, photocatalyst forming composition, and photocatalystFUJI XEROX CO LTD·Filed 2018·Granted Oct 20, 2020·1 cites·18 claims
- 1881US10722866B2Titanium oxide film and structureFUJI XEROX CO LTD·Filed 2018·Granted Jul 28, 2020·1 cites·19 claims
- 1980US10807058B2Silica-titania composite aerogel particle, photocatalyst-forming composition, and photocatalystFUJI XEROX CO LTD·Filed 2018·Granted Oct 20, 2020·1 cites·17 claims
- 2080US7524598B2Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2006·Granted Apr 28, 2009·5 cites·14 claims
- 2177US12325779B2Cellulosic particleFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Jun 10, 2025·0 cites·13 claims
- 2277US11787942B2Polyimide precursor solution, method for producing porous polyimide film, porous polyimide film, and insulated wireFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Oct 17, 2023·0 cites·10 claims
- 2377US9726994B1Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridgeFUJI XEROX CO LTD·Filed 2016·Granted Aug 8, 2017·1 cites·13 claims
- 2477US8574798B2Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the sameIWANAGA TAKESHI·Filed 2009·Granted Nov 5, 2013·5 cites·16 claims
- 2576US12460054B2Cellulosic particleFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Nov 4, 2025·0 cites·12 claims
- 2676US11040899B2Water purification member, hydroponic system, and water purification apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Jun 22, 2021·1 cites·22 claims
- 2776US10317809B2Image forming apparatus and unit for image forming apparatusFUJI XEROX CO LTD·Filed 2018·Granted Jun 11, 2019·1 cites·12 claims
- 2876US9835966B2Electrostatic charge image developer, developer cartridge, and process cartridgeFUJI XEROX CO LTD·Filed 2016·Granted Dec 5, 2017·1 cites·10 claims
- 2975US7906261B2Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the sameFUJI XEROX CO LTD·Filed 2008·Granted Mar 15, 2011·4 cites·17 claims
- 3073US10001714B2Electrophotographic photosensitive member, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Granted Jun 19, 2018·1 cites·8 claims
- 3173US9740115B1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Granted Aug 22, 2017·1 cites·9 claims
- 3271US10792641B2StructureFUJI XEROX CO LTD·Filed 2018·Granted Oct 6, 2020·0 cites·19 claims
- 3371US2024327619A1Cellulose particles and method for producing cellulose particlesFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 3471US2024261206A1Cellulosic particleFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 3571US2024327545A1Cellulose acetate particlesFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 3670US8404415B2Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the sameIWANAGA TAKESHI·Filed 2009·Granted Mar 26, 2013·3 cites·18 claims
- 3770US8357478B2Electrophotographic photoconductor, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2010·Granted Jan 22, 2013·1 cites·18 claims
- 3869US8999617B2Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming methodFUJI XEROX CO LTD·Filed 2013·Granted Apr 7, 2015·1 cites·20 claims
- 3968US9341963B2Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2013·Granted May 17, 2016·1 cites·12 claims
- 4066US7678519B2Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2008·Granted Mar 16, 2010·2 cites·14 claims
- 4166US2025134795A1Cellulose particle and cosmeticFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 4265US12209204B2Method for producing pressure-responsive particles, method for producing printed material, method for producing sheet for producing printed material, and pressure-responsive particlesFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jan 28, 2025·0 cites·18 claims
- 4365US12103993B2Pressure-responsive particles, cartridge, and apparatus for manufacturing printed matterFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Oct 1, 2024·0 cites·20 claims
- 4465US9708191B2Silica composite particles and method of preparing the sameFUJI XEROX CO LTD·Filed 2014·Granted Jul 18, 2017·0 cites·7 claims
- 4564US9885966B2Electrostatic charge image developing toner, electrostatic charge image developer and toner cartridgeFUJI XEROX CO LTD·Filed 2016·Granted Feb 6, 2018·0 cites·19 claims
- 4664US8158316B2Electrophotographic photoreceptor, process cartridge and image forming apparatusIWANAGA TAKESHI·Filed 2008·Granted Apr 17, 2012·2 cites·12 claims
- 4764US2023077397A1Polyimide precursor solution, porous polyimide membrane, and insulated electric wireFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Application pending·0 cites
- 4864US2023076583A1Polyimide precursor solution, porous polyimide film, and insulated wireFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Application pending·0 cites
- 4963US11547069B2Water purification particles, water culture apparatus, and water purification apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Jan 10, 2023·0 cites·22 claims
- 5063US11045797B2FilterFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Jun 29, 2021·0 cites·13 claims
Showing the top 50 of 117 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →