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

Patent Owner(s)

Patent Owner	Address
NATIONAL SUN YAT-SEN UNIVERSITY	NO 70 LIEN-HAI RD GUSHAN DISTRICT KAOHSIUNG CITY
TZU-CHI UNIVERSITY	NO 701 SEC 3 ZHONGYANG RD HUALIEN 97004

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Huang, Shun-Ping	Hualien, TW	11	8
Sheu, Jyh-Horng	Kaohsiung, TW	6	6
Tsai, Rong-Kung	Kaohsiung, TW	3	0
Wen, Zhi-Hong	Kaohsiung, TW	16	11

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Sep 6, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 6, 2029

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 06, 2018	US,9907763,B2   US9907763B2	GRANTED PATENT AS SECOND PUBLICATION
October 26, 2017	US,20170304219,A1   US20170304219A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9907763

Method of treating or preventing the visual function loss by using 4-(phenylsulfanyl)butane-2-one (4-PSB-2)

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