US Patent 7382084 Spark plug having a precious metal tip
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Patent Inventor Names
Kenji Nunome0
Osamu Yoshimoto0
Wataru Matsutani0
Yoshihiro Matsubara0
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Patent abstract
An object of the invention is to provide a spark plug having a discharge portion made of a precious metal tip, in which peeling of the precious metal tip from a surface of the discharge portion can be suppressed while spark abrasion, oxidation abrasion and abnormal abrasion of the discharge portion can be suppressed.
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US Patent 07382084 Spark plug having a precious metal tip US Patent 7382084 Spark plug having a precious metal tip
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Patent Number
073820840
Patent Number
73820840
Edits on 18 May, 2023
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Official Website
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Patent Jurisdiction
Patent Number
073820840
Date of Patent
June 3, 2008
0Patent Application Number
105147860
Date Filed
March 22, 2004
0Official Website
Patent Primary Examiner
Edits on 17 Jun, 2022
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US Patent 07382084 Spark plug having a precious metal tip
Infobox
Is a
Patent jurisdiction
Patent number
07382084
Date of patent
June 3, 2008
Patent application number
10514786
Date Filed
March 22, 2004
Patent primary examiner
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