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

Patent Owner(s)

Patent Owner	Address
FENWAL CONTROLS OF JAPAN LTD	KYOHAN KUDAN BLDG 5-10 IIDABASHI 1-CHOME CHIYODA-KU TOKYO 102-0072

International Classification(s)

• G08B:SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; A....
• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Iguchi, Masao	Hachioji, JP	69	741
Itoh, Kazuhisa	Hachioji, JP	1	11
Kobayashi, Fumiyoshi	Hachioji, JP	26	29
Masumoto, Shintaro	Hachioji, JP	3	27
Nakahata, Satoru	Hachioji, JP	1	11

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 21, 2028

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
February 21, 2017	US,9574996,B2   US9574996B2	GRANTED PATENT AS SECOND PUBLICATION
August 15, 2013	US,20130208281,A1   US20130208281A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9574996

Suction-type smoke sensing system

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