Inventor
MATSUURA YUTAKA
JP40 patents
⚠️ This page may combine multiple inventors who share the name “MATSUURA YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO SPEC METALS
25 patentsUS4770723ASep 13, 1988
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS196 citations99
US4792368ADec 20, 1988
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS143 citations98
US5645651AJul 8, 1997
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS50 citations96
US4684406AAug 4, 1987
Permanent magnet materials
SUMITOMO SPEC METALS59 citations96
US4601875AJul 22, 1986
Process for producing magnetic materials
SUMITOMO SPEC METALS98 citations96
US4597938AJul 1, 1986
Process for producing permanent magnet materials
SUMITOMO SPEC METALS111 citations96
US4773950ASep 27, 1988
Permanent magnet
SUMITOMO SPEC METALS46 citations95
US5316595AMay 31, 1994
Process for producing magnets having improved corrosion resistance
SUMITOMO SPEC METALS44 citations94
US4837114AJun 6, 1989
Process for producing magnets having improved corrosion resistance
SUMITOMO SPEC METALS82 citations94
US4826546AMay 2, 1989
Process for producing permanent magnets and products thereof
SUMITOMO SPEC METALS33 citations93
US6277275B1Aug 21, 2001
Apparatus for magnetic treatment of fluid
SUMITOMO SPEC METALS27 citations92
US5766372AJun 16, 1998
Method of making magnetic precursor for permanent magnets
SUMITOMO SPEC METALS17 citations92
US5230749AJul 27, 1993
Permanent magnets
SUMITOMO SPEC METALS26 citations92
US4859255AAug 22, 1989
Permanent magnets
SUMITOMO SPEC METALS25 citations92
US4840684AJun 20, 1989
Isotropic permanent magnets and process for producing same
SUMITOMO SPEC METALS27 citations92
US4767474AAug 30, 1988
Isotropic magnets and process for producing same
SUMITOMO SPEC METALS33 citations92
US5466308ANov 14, 1995
Magnetic precursor materials for making permanent magnets
SUMITOMO SPEC METALS17 citations82
US5194098AMar 16, 1993
Magnetic materials
SUMITOMO SPEC METALS19 citations82
US4975130ADec 4, 1990
Permanent magnet materials
SUMITOMO SPEC METALS20 citations82
US5192372AMar 9, 1993
Process for producing isotropic permanent magnets and materials
SUMITOMO SPEC METALS13 citations74
US5183516AFeb 2, 1993
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS12 citations74
US5110377AMay 5, 1992
Process for producing permanent magnets and products thereof
SUMITOMO SPEC METALS15 citations74
US5096512AMar 17, 1992
Magnetic materials and permanent magnets
SUMITOMO SPEC METALS8 citations74
US4484957ANov 27, 1984
Permanent magnetic alloy
SUMITOMO SPEC METALS9 citations74
US4975129ADec 4, 1990
Permanent magnet
SUMITOMO SPEC METALS13 citations73
MITSUBISHI GAS CHEMICAL CO
6 patentsUS11866403B2Jan 9, 2024
Carboxylic acid ester compound, method for producing the same, composition, and, fragrance composition
MITSUBISHI GAS CHEMICAL CO0 citations60
US12116338B2Oct 15, 2024
Aldehyde compound and method for producing same, and fragrance composition
MITSUBISHI GAS CHEMICAL CO0 citations58
US11725161B2Aug 15, 2023
Carboxylic acid ester compound, production method thereof, and fragrance composition
MITSUBISHI GAS CHEMICAL CO0 citations58
US12024487B2Jul 2, 2024
Method for producing m-dialkylbenzaldehyde
MITSUBISHI GAS CHEMICAL CO0 citations56
US9745410B2Aug 29, 2017
Aromatic aldehyde, and epoxy resin curing agent and epoxy resin composition comprising the aromatic aldehyde
MITSUBISHI GAS CHEMICAL CO0 citations49
US12145903B2Nov 19, 2024
Method for producing 2,4-dialkylbenzaldehyde
MITSUBISHI GAS CHEMICAL CO0 citations46