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

Patent Owner(s)

Patent Owner	Address
NITTAN VALVE CO LTD	518 SOYA HADANO-SHI KANAGAWA 257-0031

International Classification(s)

• F01L:CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kameda, Michihiro	Kanagawa, JP	24	62
Nagado, Masayasu	Kanagawa, JP	8	34

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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
April 16, 2013	US,8418665,B2   US8418665B2	GRANTED PATENT AS SECOND PUBLICATION
February 17, 2011	US,20110036319,A1   US20110036319A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8418665

Variable phase controller for automotive engine

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