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

Patent Owner(s)

Patent Owner	Address
SANKYO COMPANY LIMITED	TOKYO

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jin, Masayoshi	Kanagawa, JP	5	113
Nakamura, Yoshitaka	Kanagawa, JP	221	1744
Onoda, Toshihiko	Kanagawa, JP	1	1
Sato, Noritada	Kanagawa, JP	20	162
Takeda, Tadahiro	Kanagawa, JP	7	13
Yamaoka, Makoto	Kanagawa, JP	11	11

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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
June 16, 2009	US,7547790,B2   US7547790B2	GRANTED PATENT AS SECOND PUBLICATION
May 08, 2008	US,20080108828,A1   US20080108828A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7547790

Optically active 4,4-di-substituted oxazolidine derivative and method for producing same

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