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Expired European patentEurope

High-frequency magnetic core and inductive component using the same

EP 1610348 B1 · Applicant: Nec Tokin Corporation

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed August 20, 2004 and granted August 10, 2011. A European patent lasts at most 20 years from filing, so its term ended August 20, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledAugust 20, 2004
PublishedDecember 28, 2005
GrantedAugust 10, 2011
Term endedAugust 20, 2024
Application numberEP 04772273
Classification (CPC)H01F17/062 +1 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedAug 20, 2004PublishedDec 28, 2005Patent grantedAug 10, 2011Term endedAug 20, 2024

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

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Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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