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Inventor

Yutaka Matsuura

Inventor
Ibaraki, JP

Overview

35→
Patents
1984–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 35 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Fprimary
H01FMagnets48%
B22FWorking metallic powder10%
C22CAlloys10%
Y10TTechnical subjects covered by former us classification8%
C07CAcyclic or carbocyclic compounds5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B22DCasting of metals2%
C02FTreatment of water, waste water, sewage, or sludge2%
C07BGeneral methods of organic chemistry2%
C07DHeterocyclic compounds2%
PatentTitleYear
9,745,410'Aromatic aldehyde, and epoxy resin curing agent and epoxy resin composition comprising the aromatic aldehyde'20179,085,503'Method for producing 1,3-dimethyladamantane'20159,061,985'Method for concentrating aqueous 3-hydroxy-2,2-dimethylpropanal solution'20158,182,618'Rare earth sintered magnet and method for producing same'20127,872,555'Undulator'20117,534,311'R-t-b sintered magnet and rare earth alloy'20097,126,909'Centralized management technique of call control data'20066,277,275'Apparatus for magnetic treatment of fluid'20015,766,372'Method of making magnetic precursor for permanent magnets'19985,645,651'Magnetic materials and permanent magnets'19975,527,504'Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets'19965,486,224'Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets'19965,466,308'Magnetic precursor materials for making permanent magnets'19955,316,595'Process for producing magnets having improved corrosion resistance'19945,230,749'Permanent magnets'19935,194,098'Magnetic materials'19935,192,372'Process for producing isotropic permanent magnets and materials'19935,183,516'Magnetic materials and permanent magnets'19935,110,377'Process for producing permanent magnets and products thereof'19925,096,512'Magnetic materials and permanent magnets'19925,089,066'Magnets having improved corrosion resistance'19924,975,129'Permanent magnet'19904,975,130'Permanent magnet materials'19904,859,255'Permanent magnets'19894,840,684'Isotropic permanent magnets and process for producing same'19894,837,114'Process for producing magnets having improved corrosion resistance'19894,826,546'Process for producing permanent magnets and products thereof'19894,792,368'Magnetic materials and permanent magnets'19884,773,950'Permanent magnet'19884,770,723'Magnetic materials and permanent magnets'19884,767,474'Isotropic magnets and process for producing same'19884,684,406'Permanent magnet materials'19874,601,875'Process for producing magnetic materials'19864,597,938'Process for producing permanent magnet materials'19864,484,957'Permanent magnetic alloy'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2001Patents assigned to SUMITOMO SPEC METALS (27)· patent assignee history
1984–2012Based in Osaka, JP· patent location history
1986–1993Based in Ibaraki, JP· patent location history
1992–1998Based in Hyogo, JP· patent location history
1996Patents assigned to SUMITOMO METAL IND (2)· patent assignee history
2009–2012Patents assigned to HITACHI METALS LTD (3)· patent assignee history
2012–2015Patents assigned to MATSUURA YUTAKA (3)· patent assignee history
2015–2017Patents assigned to MITSUBISHI GAS CHEMICAL CO (3)· patent assignee history
2015–2017Based in Okayama, JP· patent location history
2015Based in Kurashiki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO SPEC METALS271984–2001
HITACHI METALS LTD32009–2012
MATSUURA YUTAKAself32012–2015
MITSUBISHI GAS CHEMICAL CO32015–2017
SUMITOMO METAL IND21996
Locations
LocationPatentsSpan
Ibaraki, JP141986–1993
Hyogo, JP81992–1998
Osaka, JP71984–2012
Okayama, JP22015–2017
Kurashiki, JP12015