Golf club head

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7686707
APP PUB NO 20070129160A1
SERIAL NO

11434899

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This invention provides a hollow golf club head having a first viscoelastic body made of a first viscoelastic material and a second viscoelastic body made of a second viscoelastic material with a loss coefficient the temperature dependence of which is different from that of a loss coefficient of the first viscoelastic material.

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Patent Owner(s)

  • BRIDGESTONE SPORTS CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ban, Wataru Saitama, JP 118 5020
Matsunaga, Hideo Saitama, JP 110 2652
Shimazaki, Hideo Tokyo, JP 23 1266

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