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

Patent Owner(s)

Patent Owner	Address
KOWA COMPANY LTD	NAGOYA-SHI AICHI 460-8625
MANAC INCORPORATED	92 MINOOKI-CHO FUKUYAMA-SHI HIROSHIMA 721-0956

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07F:ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CO....
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ezaki, Koji	Kurashiki, JP	3	38
Ina, Shinji	Ageo, JP	10	58
Sakamoto, Katsuhiro	Fukuyama, JP	4	56
Sakata, Junichi	Fukuyama, JP	5	47
Yamazaki, Takahiro	Fukuyama, JP	99	496

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 10, 2028

Fee	Large entity fee	small entity fee	micro entity fee
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
January 10, 2017	US,9540301,B2   US9540301B2	GRANTED PATENT AS SECOND PUBLICATION
February 20, 2014	US,20140051876,A1   US20140051876A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9540301

Method for manufacturing phosphonocrotonic acid derivative

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