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

Patent Owner(s)

Patent Owner	Address
MITSUBISHI POWER LTD	2-3 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 1008332 ?1008332

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
Koizumi, Jun	Tokyo, JP	23	659
Noguchi, Yoshiki	Tokyo, JP	27	528
Saito, Kazuhiko	Tokyo, JP	38	517
Sasaki, Toshihiko	Tokyo, JP	32	497
Shinotsuka, Noboru	Tokyo, JP	1	2
Yoshida, Yuichi	Tokyo, JP	151	1784

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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	Apr 10, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 10, 2029

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
October 10, 2017	US,9784137,B2   US9784137B2	GRANTED PATENT AS SECOND PUBLICATION
May 01, 2014	US,20140116052,A1   US20140116052A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9784137

Subcritical pressure high-temperature steam power plant and subcritical pressure high-temperature variable pressure operation once-through boiler

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