Inventor · disambiguated record
Kazufumi Omura
Also filed as: OMURA KAZUFUMI
30 granted patents·19 pending applications·136 citations·filing 2004–2022
94Inventor score
Top patents by PatentIndex Score
49 records- 0198US9959894B2Magnetic tape and method of manufacturing the sameFUJIFILM CORP·Filed 2015·Granted May 1, 2018·102 cites·15 claims
- 0290US7737304B2Sulfonic acid polyol compound, polyurethane resin, polyurethane resin for magnetic recording medium, and magnetic recording mediumFUJIFILM CORP·Filed 2008·Granted Jun 15, 2010·8 cites·8 claims
- 0390US7737305B2Sulfonic acid polyol compound, polyurethane resin, polyurethane resin for magnetic recording medium, and magnetic recording mediumFUJIFILM CORP·Filed 2009·Granted Jun 15, 2010·8 cites·9 claims
- 0485US7928257B2Method for producing optically active aziridine compounds and amine compounds as well as complexes and their intermediates used in this methodJAPAN SCIENCE & TECH AGENCY·Filed 2010·Granted Apr 19, 2011·3 cites·4 claims
- 0582US8604233B2Lubricant composition, magnetic recording medium, and novel polyether compoundOMURA KAZUFUMI·Filed 2010·Granted Dec 10, 2013·4 cites·13 claims
- 0681US7754899B2Method for producing optically active aziridine compounds and amine compounds as well as complexes and their intermediates used in this methodJAPAN SCIENCE & TECH AGENCY·Filed 2005·Granted Jul 13, 2010·3 cites·5 claims
- 0779US8415036B2Mixture comprising sulfonate group-containing compound and method of manufacturing the same, solution composition, polyurethane resin and method of manufacturing the same, and magnetic recording mediumOMURA KAZUFUMI·Filed 2010·Granted Apr 9, 2013·2 cites·2 claims
- 0874US8299240B2Method of producing a metal phthalocyanine compound, and method of producing a phthalocyanine compound and an analogue thereofTATEISHI KEIICHI·Filed 2006·Granted Oct 30, 2012·2 cites·20 claims
- 0972US9514776B2Method of manufacturing hexagonal ferrite magnetic particles, method of manufacturing magnetic coating material, and method of manufacturing magnetic recording mediumFUJIFILM CORP·Filed 2013·Granted Dec 6, 2016·1 cites·13 claims
- 1067US9117581B2Method of manufacturing magnetic powderFUJIFILM CORP·Filed 2012·Granted Aug 25, 2015·1 cites·9 claims
- 1166US12162852B2Lactone compoundFUJIFILM CORP·Filed 2022·Granted Dec 10, 2024·0 cites·4 claims
- 1265US2025145796A1Thermoplastic resin composition, molded article, and method for producing and method for improving transmittance of thermoplastic resin compositionMITSUBISHI GAS CHEMICAL CO·Filed 2022·Application pending·0 cites
- 1363US8398880B2Method of modifying surface of powder, coating material, method of manufacturing magnetic recording medium, and magnetic recording medium manufactured by the sameOMURA KAZUFUMI·Filed 2009·Granted Mar 19, 2013·0 cites·3 claims
- 1461US2023127329A1Lactone compoundFUJIFILM CORP·Filed 2022·Application pending·0 cites
- 1560US9311949B2Magnetic powder and method of manufacturing the sameFUJIFILM CORP·Filed 2015·Granted Apr 12, 2016·0 cites·9 claims
- 1659US8795858B2Magnetic recording medium and method of manufacturing the sameSATO MASAHIDE·Filed 2011·Granted Aug 5, 2014·2 cites·8 claims
- 1759US2013152822A1Method of modifying surface of powder, coating material, method of manufacturing magnetic recording medium, and magnetic recording medium manufactured by the sameFUJIFILM CORP·Filed 2013·Application pending·0 cites
- 1858US9376524B2Composition for forming thermally-cured coating film and thermally-cured coating filmFUJIFILM CORP·Filed 2014·Granted Jun 28, 2016·0 cites·18 claims
- 1958US8703935B2Method of producing a metal phthalocyanine compound, and method of producing a phthalocyanine compound and an analogue thereofTATEISHI KEIICHI·Filed 2012·Granted Apr 22, 2014·0 cites·12 claims
- 2057US8153283B2Magnetic recording medium, method of modifying surface of magnetic powder and magnetic coating materialMORI MASAHIKO·Filed 2009·Granted Apr 10, 2012·0 cites·6 claims
- 2157US7897819B2Method for producing optically active aziridine compounds and amine compounds as well as complexes and their intermediates used in this methodJAPAN SCIENCE & TECH AGENCY·Filed 2010·Granted Mar 1, 2011·0 cites·3 claims
- 2255US8889813B2Mixture comprising sulfonate group-containing compound and method of manufacturing the same, solution composition, polyurethane resin and method of manufacturing the same, and magnetic recording mediumFUJIFILM CORP·Filed 2013·Granted Nov 18, 2014·0 cites·6 claims
- 2354US2009082570A1Method of manufacturing bipyridinium compound and synthetic intermediate of the same, method of manufacturing dye compound, and novel bipyridinium compound and novel dye compound comprising the sameFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 2451US9382130B2Method of manufacturing hexagonal ferrite magnetic particlesFUJIFILM CORP·Filed 2013·Granted Jul 5, 2016·0 cites·6 claims
- 2551US9099141B2Radiation-curable vinyl chloride resin composition and magnetic recording medium using the sameARAKI KATSUMI·Filed 2010·Granted Aug 4, 2015·0 cites·15 claims
- 2651US2014087212A1Carbon black composition, carbon black-containing coating film, and magnetic recording medium comprising the sameFUJIFILM CORP·Filed 2013·Application pending·0 cites
- 2750US10538670B2Pigment dispersion liquid and inkjet inkFUJIFILM CORP·Filed 2019·Granted Jan 21, 2020·0 cites·14 claims
- 2850US7947625B2Ink sheet for heat-sensitive transfer recording material, heat-sensitive transfer recording method, ink cartridge and azo dyeFUJIFILM CORP·Filed 2007·Granted May 24, 2011·0 cites·7 claims
- 2950US2010055505A1Magnetic recording medium, binder for magnetic recording medium, and polyurethane resinFUJIFILM CORP·Filed 2009·Application pending·0 cites
- 3049US2009098414A1Method of manufacturing magnetic recording medium and magnetic recording medium manufactured by the sameFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 3149US2014091250A1Polyurethane resin, method of manufacturing the same, and its usageFUJIFILM CORP·Filed 2013·Application pending·0 cites
- 3248US9177584B2Vinyl polymer and usage thereofOMURA KAZUFUMI·Filed 2012·Granted Nov 3, 2015·0 cites·4 claims
- 3347US9202502B2Magnetic particles and method of manufacturing the same, and usage thereofFUJIFILM CORP·Filed 2012·Granted Dec 1, 2015·0 cites·18 claims
- 3447US9076478B2Binder resin composition for magnetic recording medium, method of manufacturing the same, and magnetic recording mediumOMURA KAZUFUMI·Filed 2012·Granted Jul 7, 2015·0 cites·9 claims
- 3547US7968706B2Method of manufacturing phthalocyanine compoundFUJIFILM CORP·Filed 2007·Granted Jun 28, 2011·0 cites·10 claims
- 3647US2013030099A1Carbon black composition and usage thereofFUJIFILM CORP·Filed 2012·Application pending·0 cites
- 3746US2008012929A1Azo dye, heat-sensitive transfer recording ink sheet, heat-sensitive transfer recording method, color toner, inkjet ink and color filterFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 3845US2014087211A1Magnetic recording medium coating composition and magnetic recording mediumFUJIFILM CORP·Filed 2013·Application pending·0 cites
- 3944US2013164564A1Magnetic particles and method of manufacturing the same, and usage thereofFUJIFILM CORP·Filed 2012·Application pending·0 cites
- 4043US2013029183A1Carbon black composition and usage thereofFUJIFILM CORP·Filed 2012·Application pending·0 cites
- 4143US2004220413A1Method of producing optically active aziridine compounds and amine compoundsUNIV KYUSHU·Filed 2004·Application pending·0 cites
- 4242US10090013B2Binder for magnetic recording medium and method of manufacturing the same, composition for magnetic recording medium, and magnetic recording mediumFUJIFILM CORP·Filed 2015·Granted Oct 2, 2018·0 cites·20 claims
- 4342US2009087684A1Method of modifying surface of powder, magnetic recording medium, and coating materialFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 4442US2011027620A1Radiation-curable polyurethane resin composition and magnetic recording medium using the sameFUJIFILM CORP·Filed 2010·Application pending·0 cites
- 4542US2009085002A1Method of modifying surface of magnetic powder and magnetic coating materialFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 4639US9047904B2Magnetic recording mediumARITOSHI YOHEI·Filed 2010·Granted Jun 2, 2015·0 cites·9 claims
- 4739US2015248908A1Magnetic recording mediumFUJIFILM CORP·Filed 2015·Application pending·0 cites
- 4837US10096333B2Magnetic recording mediumFUJIFILM CORP·Filed 2015·Granted Oct 9, 2018·0 cites·20 claims
- 4937US2010239891A1Magnetic recording mediumFUJIFILM CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →