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

Patent Owner(s)

Patent Owner	Address
JAPAN IRON AND STEEL FEDERATION THE	2-10 NIHONBASHI-KAYABACHO 3-CHOME CHUO-KU TOKYO

International Classification(s)

• C10L:FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYN....
• C10G:CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HY....
• C10B:DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Arima, Takashi	Futtsu, JP	25	94
Kato, Kenji	Futtsu, JP	319	2972
Kubota, Yukihiro	Futtsu, JP	1	2
Matsuura, Makoto	Tokai, JP	60	175
Nakai, Hiroki	Tokai, JP	8	29
Sasaki, Masaki	Tokai, JP	39	206

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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
January 12, 2010	US,7645362,B2   US7645362B2	GRANTED PATENT AS SECOND PUBLICATION
August 16, 2007	US,20070187222,A1   US20070187222A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7645362

Method for pretreating and improving coking coal quality for blast furnace coke

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