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

Patent Owner(s)

Patent Owner	Address
TAKEDA PHARMACEUTICAL COMPANY LIMITED	1-1 DOSHOMACHI 4-CHOME CHUO-KU OSAKA-SHI OSAKA 541-0045 JAPAN

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
IMAMURA, Keisuke	Fujisawa-shi, JP	28	92
ITO, Yoshiteru	Fujisawa-shi, JP	32	272
MAEZAKI, Hironobu	Fujisawa-shi, JP	21	53
NII, Noriyuki	Fujisawa-shi, JP	10	10
ONO, Koji	Fujisawa-shi, JP	180	3290
TOMITA, Naoki	Tokyo, JP	13	148

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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	Jul 19, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 19, 2028

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

Full Text

US Patent Application No: 2017/0015,654

PYRIDAZINE COMPOUND

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