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

Patent Owner(s)

Patent Owner	Address
CHUGAI SEIYAKU KABUSHIKI KAISHA	5-1 UKIMA 5-CHOME KITA-KU TOKYO 1158543 ?1158543

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ito, Hiroaki	Ashiya, JP	233	2429
Kishimoto, Tadamitsu	Tondabayashi, JP	50	2189
Yamamoto, Mitsunari	Ibaraki, JP	2	357

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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
November 02, 2010	US,7824674,B2   US7824674B2	GRANTED PATENT AS SECOND PUBLICATION
April 15, 2004	US,20040071706,A1   US20040071706A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7824674

Preventive or therapeutic agent for inflammatory bowel disease comprising IL-6 antagonist as an active ingredient

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