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

Patent Owner(s)

Patent Owner	Address
NISSAN CHEMICAL INDUSTRIES LTD	TOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
NAGAYA, Akihiro	Funabashi-shi, JP	10	18
SUGAWARA, Yudai	Funabashi-shi, JP	3	3
TAKEOKA, Jun	Funabashi-shi, JP	2	0
UMEDA, Yasuhiro	Funabashi-shi, JP	2	0
YOSHINO, Hironobu	Funabashi-shi, JP	9	8
YOSHINO, Madoka	Funabashi-shi, JP	7	153

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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	Mar 21, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Mar 21, 2029

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: 2017/0267,659

METHOD FOR PRODUCING 2-PYRIDONE COMPOUND

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