STEEL WIRE FOR SPRING

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20090258228A1
SERIAL NO

11916787

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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where R represents surface roughness; and d represents the diameter of the spring steel wire.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO ELECTRIC TOCHIGI CO LTD18-4 KIYOHARA-KOGYODANCHI UTSUNOMIYA-SHI TOCHIGI 3213231 ?3213231
SUMITOMO (SEI) STEEL WIRE CORPITAMI-SHI HYOGO 664-0016

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsuoka, Akifumi Utsunomiya-shi , JP 9 3
Okamoto, Kenichi Itami-shi , JP 83 815
Sano, Yuichi Utsunomiya-shi , JP 41 80

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