Inventor · disambiguated record
Yutaka Matsuura
Also filed as: MATSUURA YUTAKA
40 granted patents·3 pending applications·1,225 citations·filing 1982–2021
98Inventor score
Files withSUMITOMO SPEC METALS25MITSUBISHI GAS CHEMICAL CO8HITACHI METALS LTD2MATSUURA YUTAKA2SUMITOMO METAL IND2
Top patents by PatentIndex Score
43 records- 0199US4792368AMagnetic materials and permanent magnetsSUMITOMO SPEC METALS·Filed 1983·Granted Dec 20, 1988·143 cites·40 claims
- 0299US4770723AMagnetic materials and permanent magnetsSUMITOMO SPEC METALS·Filed 1987·Granted Sep 13, 1988·196 cites·35 claims
- 0399US4597938AProcess for producing permanent magnet materialsSUMITOMO SPEC METALS·Filed 1983·Granted Jul 1, 1986·111 cites·32 claims
- 0498US4601875AProcess for producing magnetic materialsSUMITOMO SPEC METALS·Filed 1983·Granted Jul 22, 1986·98 cites·38 claims
- 0596US4837114AProcess for producing magnets having improved corrosion resistanceSUMITOMO SPEC METALS·Filed 1986·Granted Jun 6, 1989·82 cites·45 claims
- 0694US4773950APermanent magnetSUMITOMO SPEC METALS·Filed 1983·Granted Sep 27, 1988·46 cites·26 claims
- 0794US4684406APermanent magnet materialsSUMITOMO SPEC METALS·Filed 1986·Granted Aug 4, 1987·59 cites·1 claims
- 0893US5645651AMagnetic materials and permanent magnetsSUMITOMO SPEC METALS·Filed 1995·Granted Jul 8, 1997·50 cites·24 claims
- 0988US5316595AProcess for producing magnets having improved corrosion resistanceSUMITOMO SPEC METALS·Filed 1991·Granted May 31, 1994·44 cites·8 claims
- 1088US4767474AIsotropic magnets and process for producing sameSUMITOMO SPEC METALS·Filed 1983·Granted Aug 30, 1988·33 cites·23 claims
- 1187US4826546AProcess for producing permanent magnets and products thereofSUMITOMO SPEC METALS·Filed 1987·Granted May 2, 1989·33 cites·50 claims
- 1285US4840684AIsotropic permanent magnets and process for producing sameSUMITOMO SPEC METALS·Filed 1983·Granted Jun 20, 1989·27 cites·13 claims
- 1379US5089066AMagnets having improved corrosion resistanceSUMITOMO SPEICAL METALS CO LTD·Filed 1989·Granted Feb 18, 1992·24 cites·12 claims
- 1478US4859255APermanent magnetsSUMITOMO SPEC METALS·Filed 1988·Granted Aug 22, 1989·25 cites·28 claims
- 1577US4975130APermanent magnet materialsSUMITOMO SPEC METALS·Filed 1987·Granted Dec 4, 1990·20 cites·9 claims
- 1675US5466308AMagnetic precursor materials for making permanent magnetsSUMITOMO SPEC METALS·Filed 1994·Granted Nov 14, 1995·17 cites·28 claims
- 1774US5230749APermanent magnetsSUMITOMO SPEC METALS·Filed 1991·Granted Jul 27, 1993·26 cites·6 claims
- 1872US5766372AMethod of making magnetic precursor for permanent magnetsSUMITOMO SPEC METALS·Filed 1997·Granted Jun 16, 1998·17 cites·24 claims
- 1971US7872555B2UndulatorHITACHI METALS LTD·Filed 2005·Granted Jan 18, 2011·10 cites·15 claims
- 2068US9061985B2Method for concentrating aqueous 3-hydroxy-2,2-dimethylpropanal solutionMATSUURA YUTAKA·Filed 2012·Granted Jun 23, 2015·1 cites·20 claims
- 2167US6277275B1Apparatus for magnetic treatment of fluidSUMITOMO SPEC METALS·Filed 1999·Granted Aug 21, 2001·27 cites·17 claims
- 2266US11866403B2Carboxylic acid ester compound, method for producing the same, composition, and, fragrance compositionMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Jan 9, 2024·0 cites·5 claims
- 2366US11725161B2Carboxylic acid ester compound, production method thereof, and fragrance compositionMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Aug 15, 2023·0 cites·4 claims
- 2466US7534311B2R-t-b sintered magnet and rare earth alloyHITACHI METALS LTD·Filed 2004·Granted May 19, 2009·9 cites·8 claims
- 2566US5194098AMagnetic materialsSUMITOMO SPEC METALS·Filed 1992·Granted Mar 16, 1993·19 cites·3 claims
- 2665US8182618B2Rare earth sintered magnet and method for producing sameNOZAWA NORIYUKI·Filed 2006·Granted May 22, 2012·2 cites·4 claims
- 2765US7126909B2Centralized management technique of call control dataNEC CORP·Filed 2001·Granted Oct 24, 2006·6 cites·4 claims
- 2864US12116338B2Aldehyde compound and method for producing same, and fragrance compositionMITSUBISHI GAS CHEMICAL CO·Filed 2020·Granted Oct 15, 2024·0 cites·6 claims
- 2964US5527504APowder mixture for use in compaction to produce rare earth iron sintered permanent magnetsSUMITOMO METAL IND·Filed 1995·Granted Jun 18, 1996·18 cites·26 claims
- 3064US4975129APermanent magnetSUMITOMO SPEC METALS·Filed 1988·Granted Dec 4, 1990·13 cites·25 claims
- 3162US5110377AProcess for producing permanent magnets and products thereofSUMITOMO SPEC METALS·Filed 1990·Granted May 5, 1992·15 cites·30 claims
- 3256US5486224APowder mixture for use in compaction to produce rare earth iron sintered permanent magnetsSUMITOMO METAL IND·Filed 1994·Granted Jan 23, 1996·12 cites·23 claims
- 3356US5192372AProcess for producing isotropic permanent magnets and materialsSUMITOMO SPEC METALS·Filed 1991·Granted Mar 9, 1993·13 cites·18 claims
- 3455US12145903B2Method for producing 2,4-dialkylbenzaldehydeMITSUBISHI GAS CHEMICAL CO·Filed 2020·Granted Nov 19, 2024·0 cites·21 claims
- 3555US12024487B2Method for producing m-dialkylbenzaldehydeMITSUBISHI GAS CHEMICAL CO·Filed 2020·Granted Jul 2, 2024·0 cites·20 claims
- 3654US9745410B2Aromatic aldehyde, and epoxy resin curing agent and epoxy resin composition comprising the aromatic aldehydeMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Aug 29, 2017·0 cites·8 claims
- 3754US5183516AMagnetic materials and permanent magnetsSUMITOMO SPEC METALS·Filed 1992·Granted Feb 2, 1993·12 cites·5 claims
- 3854US5096512AMagnetic materials and permanent magnetsSUMITOMO SPEC METALS·Filed 1988·Granted Mar 17, 1992·8 cites·63 claims
- 3954US4484957APermanent magnetic alloySUMITOMO SPEC METALS·Filed 1982·Granted Nov 27, 1984·9 cites·19 claims
- 4052US2023083286A1ION CONDUCTOR CONTAINING HIGH-TEMPERATURE PHASE OF LiCB9H10 AND METHOD FOR PRODUCING SAMEMITSUBISHI GAS CHEMICAL CO·Filed 2021·Application pending·0 cites
- 4147US9085503B2Method for producing 1,3-dimethyladamantaneMATSUURA YUTAKA·Filed 2011·Granted Jul 21, 2015·0 cites·11 claims
- 4242US2005268989A1R-t-b sintered magnet and process for producing the sameTOMIZAWA HIROYUKI·Filed 2004·Application pending·0 cites
- 4342US2020172470A1Novel (poly)amine compound, resin and cured productMITSUBISHI GAS CHEMICAL CO·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →