Inventor · disambiguated record
Katsumi Murofushi
Also filed as: MUROFUSHI KATSUMI
44 granted patents·10 pending applications·501 citations·filing 1986–2020
98Inventor score
Top patents by PatentIndex Score
54 records- 0196US11427779B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2018·Granted Aug 30, 2022·8 cites·11 claims
- 0296US11332686B2Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording mediumSHOWA DENKO KK·Filed 2017·Granted May 17, 2022·7 cites·15 claims
- 0395US5362592ADecolorizable tonerSHOWA DENKO KK·Filed 1992·Granted Nov 8, 1994·70 cites·13 claims
- 0494US5572311AApparatus for decolorizing toner images and an image forming apparatusBANDO CHEMICAL IND·Filed 1994·Granted Nov 5, 1996·61 cites·36 claims
- 0593US11820742B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumRESONAC CORP·Filed 2020·Granted Nov 21, 2023·3 cites·20 claims
- 0693US10803898B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2017·Granted Oct 13, 2020·7 cites·17 claims
- 0792US5166041ANear infrared ray-decolorizable recording materialSHOWA DENKO KK·Filed 1991·Granted Nov 24, 1992·88 cites·9 claims
- 0891US7579066B2Ethylenically unsaturated group-containing isocyanate compound and process for producing the same, and reactive monomer, reactive (meth) acrylate polymer and its useSHOWA DENKO KK·Filed 2005·Granted Aug 25, 2009·14 cites·60 claims
- 0990US11261394B2Fluorine-containing ether compound, lubricant for magnetic recording media, and magnetic recording mediumSHOWA DENKO KK·Filed 2018·Granted Mar 1, 2022·12 cites·8 claims
- 1090US5607803ADecolorizable toner and a decolorizable toner production processSHOWA DENKO KK·Filed 1994·Granted Mar 4, 1997·47 cites·9 claims
- 1189US11279664B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2017·Granted Mar 22, 2022·11 cites·10 claims
- 1288US11011200B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2017·Granted May 18, 2021·11 cites·12 claims
- 1387US11639330B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2018·Granted May 2, 2023·9 cites·11 claims
- 1485US11555005B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2018·Granted Jan 17, 2023·2 cites·11 claims
- 1585US11220649B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2017·Granted Jan 11, 2022·7 cites·8 claims
- 1685US7544536B2Metal oxide dispersion for dye-sensitized solar cells, photoactive electrode and dye-sensitized solar cellSHOWA DENKO KK·Filed 2006·Granted Jun 9, 2009·7 cites·3 claims
- 1784US8349934B2Hardening composition and hardened product thereofSHOWA DENKO KK·Filed 2009·Granted Jan 8, 2013·7 cites·15 claims
- 1883US8399569B2Reactive urethane compound having ether bond, curable composition, and cured materialMUROFUSHI KATSUMI·Filed 2008·Granted Mar 19, 2013·11 cites·4 claims
- 1983US5814427ADecolorizable toner and process for preparing the sameBANDO CHEMICAL IND·Filed 1994·Granted Sep 29, 1998·29 cites·9 claims
- 2079US8242217B2Epoxy resin curing agent, process for preparing the same, and epoxy resin compositionURAKAWA YOSHIFUMI·Filed 2008·Granted Aug 14, 2012·7 cites·20 claims
- 2178US11126695B2Polymer design device, polymer design method, and non-transitory recording mediumSHOWA DENKO KK·Filed 2019·Granted Sep 21, 2021·3 cites·10 claims
- 2278US5846682ALight decolorizable recording material, ink and tonerSHOWA DENKO KK·Filed 1997·Granted Dec 8, 1998·18 cites·10 claims
- 2375US7157788B2Metal oxide dispersion for dye-sensitized solar cells, photoactive electrode and dye-sensitized solar cellSHOWA DENKO KK·Filed 2002·Granted Jan 2, 2007·16 cites·23 claims
- 2473US11292979B2Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording mediumSHOWA DENKO KK·Filed 2017·Granted Apr 5, 2022·3 cites·24 claims
- 2573US8283095B2Thiourethane compound and photosensitive resin compositionIKEDA HARUHIKO·Filed 2007·Granted Oct 9, 2012·3 cites·13 claims
- 2671US11912824B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumRESONAC CORP·Filed 2020·Granted Feb 27, 2024·0 cites·11 claims
- 2770US12129445B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumRESONAC CORP·Filed 2020·Granted Oct 29, 2024·0 cites·16 claims
- 2870US11180457B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2018·Granted Nov 23, 2021·2 cites·10 claims
- 2970US7622613B2Thiol compound and photosensitive composition using the sameSHOWA DENKO KK·Filed 2005·Granted Nov 24, 2009·1 cites·3 claims
- 3069US5449583AMethod of making decolorizable tonerSHOWA DENKO KK·Filed 1994·Granted Sep 12, 1995·15 cites·1 claims
- 3166US11845906B2Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording mediumRESONAC CORP·Filed 2020·Granted Dec 19, 2023·0 cites·7 claims
- 3264US8840830B2Method of moldingYAMAKI SHIGERU·Filed 2009·Granted Sep 23, 2014·2 cites·18 claims
- 3363US8053167B2Curable compositions containing hydroxythiol compound, and cured products thereofSHOWA DENKO KK·Filed 2007·Granted Nov 8, 2011·1 cites·21 claims
- 3462US12057151B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumRESONAC CORP·Filed 2020·Granted Aug 6, 2024·0 cites·16 claims
- 3562US11767483B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2019·Granted Sep 26, 2023·0 cites·11 claims
- 3662US11514945B2Lubricant for magnetic recording medium, and method for producing magnetic recording mediumSHOWA DENKO KK·Filed 2018·Granted Nov 29, 2022·0 cites·11 claims
- 3757US11661408B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording mediumSHOWA DENKO KK·Filed 2019·Granted May 30, 2023·0 cites·11 claims
- 3855US7714032B2Thiol compound and photosensitive composition using the sameSHOWA DENKO KK·Filed 2008·Granted May 11, 2010·0 cites·15 claims
- 3955US5405726AMethod and apparatus for decolorization, and image forming apparatusBANDO CHEMICAL IND·Filed 1992·Granted Apr 11, 1995·15 cites·27 claims
- 4054US2011172421A1N-(alpha-AROMATIC GROUP-SUBSTITUTED-2-NITRO-4,5-DIALKOXYBENZYLOXYCARBONYL)AMINE COMPOUND AND PROCESS FOR PRODUCING THE SAMESHOWA DENKO KK·Filed 2009·Application pending·0 cites
- 4151US11661478B2Magnetic recording medium, fluorine-containing ether compound and lubricant for magnetic recording mediumSHOWA DENKO KK·Filed 2018·Granted May 30, 2023·0 cites·7 claims
- 4250US2010087611A1Urethane compound, curable composition containing the same, and cured product thereofSHOWA DENKO KK·Filed 2008·Application pending·0 cites
- 4350US2010210812A1Curable composition and cured product thereofSHOWA DENKO KK·Filed 2008·Application pending·0 cites
- 4450US2011112243A1Paint composition and process of forming paint films using the sameSHOWA DENKO KK·Filed 2009·Application pending·0 cites
- 4549US2011077334A1Curable composition containing reactive (meth) acrylate polymer and cured products thereofSHOWA DENKO KK·Filed 2009·Application pending·0 cites
- 4644US11244700B2Magnetic recording medium, sputtering target, sputtering target manufacturing method, and magnetic storage apparatusSHOWA DENKO KK·Filed 2018·Granted Feb 8, 2022·0 cites·9 claims
- 4743US2022050125A1Probe production method and surface observation methodSHOWA DENKO KK·Filed 2020·Application pending·0 cites
- 4843US2005258406A1Black resist composition for color filterSHOWA DENKO KK·Filed 2005·Application pending·0 cites
- 4941US2010029876A1Polymerization accelerator, curable composition, cured product, and process for producing thiol compoundMIYATA HIDEO·Filed 2007·Application pending·0 cites
- 5035US2007083012A1Curable polymer compoundKAMIJO MASANAO·Filed 2004·Application pending·0 cites
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →