US Patent 7981359 Rotor and process for manufacturing the same
Patent 7981359 was granted and assigned to Hitachi on July, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A rotor comprising bonded magnet portions mainly composed of magnet powder and a binder, which are embedded in a soft magnetic portion mainly composed of soft magnetic powder and a binder, the rotor being produced by a compression-molding method, and the magnetic pole surfaces of the bonded magnet portions being embedded in the soft magnetic portion.
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Patent Inventor Names
Keiko Kikuchi0
Masahiro Masuzawa0
Masahiro Mita0
Shigeho Tanigawa0
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Patent Citations Received
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US Patent 07981359 Rotor and process for manufacturing the same US Patent 7981359 Rotor and process for manufacturing the same
Infobox
Patent Number
079813590
Patent Number
79813590
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079813590
Date of Patent
July 19, 2011
0Patent Application Number
105490430
Date Filed
December 7, 2004
0Patent Primary Examiner
Edits on 8 Dec, 2021
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Infobox (+8 properties)
US Patent 07981359 Rotor and process for manufacturing the same
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07981359
Date of patent
July 19, 2011
Patent application number
10549043
Date Filed
December 7, 2004
Patent primary examiner
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