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

Patent Owner(s)

Patent Owner	Address
CHUGAI SEIYAKU KABUSHIKI KAISHA	TOKYO

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Aoki, Toshihiro	Kamakura, JP	11	374
Furuichi, Noriyuki	Kamakura, JP	9	361
Harada, Naoki	Kamakura, JP	83	891
Ho, Pil-Su	Kyunggi-do, KR	3	267
Hyoudoh, Ikumi	Kamakura, JP	3	267
Iikura, Hitoshi	Kamakura, JP	13	345
Matsushita, Masayuki	Kamakura, JP	42	613
Ozawa, Sawako	Kamakura, JP	7	284
Sakaitani, Masahiro	Kamakura, JP	15	323
Takanashi, Kenji	Kamakura, JP	17	353
Tomii, Yasushi	Kamakura, JP	4	269
Watanabe, Fumio	Kamakura, JP	102	1872

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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
October 02, 2012	US,8278465,B2   US8278465B2	GRANTED PATENT AS SECOND PUBLICATION
April 21, 2011	US,20110092700,A1   US20110092700A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8278465

Coumarin derivative having antitumor activity

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