US Patent 7167140 Coil antenna
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Patent Inventor Names
Makoto Teshima0
Naoharu Yamamoto0
Yoshihiko Kato0
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Patent abstract
A coil antenna having a magnetic core and a wire wound around the magnetic core. The magnetic core is flexible and bendable and is made of a mixture including soft magnetic powder and an organic binder agent. The soft magnetic powder comprises a plurality of particles, each of which is coated with an insulator layer which is made of an oxide layer.
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US Patent 07167140 Coil antenna US Patent 7167140 Coil antenna
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Patent Number
07167140
Patent Number
7167140
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Official Website
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US Patent 07167140 Coil antenna
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Is a
Patent jurisdiction
Patent number
07167140
Date of patent
January 23, 2007
Patent application number
10883083
Date Filed
July 1, 2004
Patent primary examiner
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