Electronic timepiece

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United States of America Patent

PATENT NO 9989923
SERIAL NO

15583094

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Abstract

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An electronic timepiece includes an outer case, a back cover, and an antenna for receiving radio waves disposed in the outer case, wherein at least one of the outer case and the back cover is formed from a titanium alloy composed of aluminum in an amount of 3.50 mass % or more and 4.50 mass % or less and vanadium in an amount of 20.00 mass % or more and 23.00 mass % or less, with the remainder including titanium and impurities.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATION4-1 NISHI-SHINJUKU 2-CHOME SHINJUKU-KU TOKYO 163-0811

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Atsushi Shiojiri, JP 449 5864
Tamura, Shuichi Matsumoto, JP 97 897
Watanabe, Takahiro Okaya, JP 232 2355

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