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

Patent Owner(s)

Patent Owner	Address
ZENYAKU KOGYO KABUSHIKI KAISHA	TOKYO 103-0022

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
Fukuda, Naoki	Tokyo, JP	41	625
Higashi, Masaya	Tokyo, JP	5	13
Kawashima, Seiichiro	Tokyo, JP	15	282
Matsuno, Toshiyuki	Tokyo, JP	23	283
Saitoh, Kenichi	Tokyo, JP	23	201
Yamaguchi, Yoshimasa	Tokyo, JP	21	132

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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
August 03, 2010	US,7767824,B2   US7767824B2	GRANTED PATENT AS SECOND PUBLICATION
September 14, 2006	US,20060205742,A1   US20060205742A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7767824

Heterocyclic compounds and cerebral function improvers containing the same as the active ingredient

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