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

Patent Owner(s)

Patent Owner	Address
NEC CORPORATION	7-1 SHIBA 5-CHOME MINATO-KU TOKYO 108-8001

International Classification(s)

• G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jibiki, Masahiro	Tokyo, JP	37	1048
Karino, Shuichi	Tokyo, JP	39	436

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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
August 23, 2011	US,8004965,B2   US8004965B2	GRANTED PATENT AS SECOND PUBLICATION
January 10, 2008	US,20080008169,A1   US20080008169A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8004965

Redundant packet switching system and system switching method of redundant packet switching system

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