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Country	kind	publication No.	Filing Date	Type	Sub-Type
JP	B2	JP4840654	Aug 04, 2006	Patent	Grant
Type : Patent Sub-Type : Grant
PUBLISHED GRANTED PATENT (SECOND LEVEL)		POWER TRANSMISSION CHAIN, MANUFACTURING METHOD OF POWER TRANSMISSION MEMBER FOR POWER TRANSMISSION CHAIN AND POWER TRANSMISSION DEVICE		Dec 21, 2011
EP	B1	EP1884682	Aug 03, 2007	Patent	Grant
Type : Patent Sub-Type : Grant
Patent		Power transmission chain, method for manufacturing power transmission member of the power transmission chain, and power transmission device		Nov 16, 2011

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
JTEKT CORPORATION	1-1 ASAHI-MACHI KARIYA-SHI AICHI-KEN 448-8652

International Classification(s)

• F16H:GEARING

• 2007 Application Filing Year
• F16H Class
• 1490 Applications Filed
• 923 Patents Issued To-Date
• 61.95 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kamamoto, Shigeo	Kashiwara, JP	77	263
# of filed Patents : 77 Total Citations : 263
Tada, Seiji	Kashiba, JP	29	137
# of filed Patents : 29 Total Citations : 137

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Patent Citation Ranking

• 5 Citation Count
• F16H Class

• 5.10 % this patent is cited more than
• 14 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 18, 2011	US,8038559,B2   US8038559B2	GRANTED PATENT AS SECOND PUBLICATION
February 28, 2008	US,20080051235,A1   US20080051235A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2008/0051,235

Power transmission chain, method for manufacturing power transmission member of the power transmission chain, and power transmission device

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Abstract

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The end faces of a first pin contain bulging curved faces having an egg-like shape, when viewed along a chain width direction. Each bulging curved face includes a first end portion, a second end portion and a maximum width portion with respect to a chain advancing direction. With respect to perpendicular directions, the distance between the center of the maximum width portion and the first end portion is relatively large, whereas the distance between the center of the maximum width portion and the second end portion is relatively short. It is possible to enlarge the surface area of the bulging curved face.

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Description

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Claims

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