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

Patent Owner(s)

Patent Owner	Address
KABUSHIKI KAISHA ITAYA SEISAKU SHO	504 MATSUHIDAI MATSUDO-SHI CHIBA-KEN

International Classification(s)

• B21F:WORKING OR PROCESSING OF WIRE
• B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Itaya, Ichiro	Katsushika-ku , JP	18	165

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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
November 03, 2009	US,7610787,B2   US7610787B2	GRANTED PATENT AS SECOND PUBLICATION
January 31, 2008	US,20080022742,A1   US20080022742A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7610787

Spring manufacturing apparatus and control method thereof

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