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

Patent Owner(s)

Patent Owner	Address
KT&G LIFE SCIENCES CORPORATION	71 BEOTKKOT-GIL DAEDEOK-GU DAEJEON 306-712 306-712

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C07D:HETEROCYCLIC COMPOUNDS
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kim, Hyung-Jin	Iksan-si, KR	95	857
Kwak, Tae Hwan	Yongin-si, KR	18	42
Park, Myung-Gyu	Yongin-si, KR	18	20
Park, Raekil	Iksan-si, KR	1	0
So, Hong-Seob	Iksan-si, KR	3	10

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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

Full Text

US Patent Application No: 2012/0289,577

COMPOSITION FOR TREATING OR PREVENTING HEARING LOSS COMPRISING NAPHTHOQUINONE-BASED COMPOUNDS

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