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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 TOSHIBA	KANAGAWA KANAGAWA

International Classification(s)

• F22G:SUPERHEATING OF STEAM
• F01K:STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PL....
• F22B:METHODS OF STEAM GENERATION; STEAM BOILERS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Nakamura, Keiichi	Yokohama, JP	116	1090
Shimada, Hideaki	Yokohama, JP	29	161

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jan 9, 2027
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 9, 2031

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
July 09, 2019	US,10344627,B2   US10344627B2	GRANTED PATENT AS SECOND PUBLICATION
May 24, 2018	US,20180142580,A1   US20180142580A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 10344627

Heat recovery steam generator and power plant

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