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

Patent Owner(s)

Patent Owner	Address
MSD K K	CHIYODA-KU TOKYO 102-8667

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ohtake, Norikazu	Tsukuba, JP	11	71
Suga, Takuya	Tsukuba, JP	8	47
Tokita, Shigeru	Tsukuba, JP	40	533

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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
April 17, 2012	US,8158652,B2   US8158652B2	GRANTED PATENT AS SECOND PUBLICATION
October 30, 2008	US,20080269287,A1   US20080269287A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8158652

Substituted pyridone derivative

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