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

Patent Owner(s)

Patent Owner	Address
JAPAN TOBACCO INC	TOKYO JAPAN TOKYO METROPOLIS

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
ISOSHIMA, Hirotaka	Osaka, JP	9	341
KAWASHITA, Seiji	Osaka, JP	6	163
MIYAZAKI, Susumu	Osaka, JP	99	1175
NAGAHASHI, Noboru	Osaka, JP	4	125
OSHITA, Kengo	Osaka, JP	6	163
TERASHITA, Masakazu	Osaka, JP	8	134

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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	Feb 7, 2026

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

Full Text

US Patent Application No: 2014/0221,380

SUBSTITUTED SPIROPYRIDO[1,2-a]PYRAZINE DERIVATIVE AND PHARMACEUTICAL USE OF SAME AS HIV INTEGRASE INHIBITOR

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