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

Patent Owner(s)

Patent Owner	Address
OSAKA UNIVERSITY	OSAKA
JAPAN AS REPRESENTED BY DIRECTOR GENERAL OF NATIONAL INSTITUTE OF HEALTH SCIENCES	3-25-26 TONOMACHI KAWASAKI-KU KAWASAKI-SHI KANAGAWA 210-9501

International Classification(s)

• C07H:SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTI....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
INOUE, Takao	Kawasaki-shi, Kanagawa, JP	204	3324
OBIKA, Satoshi	Osaka, JP	50	1737
SAKURAI, Yota	Osaka, JP	5	0
SUGITA, Kei	Osaka, JP	3	9
YAMAGUCHI, Takao	Osaka, JP	197	4627
YAMAMOTO, Chika	Osaka, JP	5	32
YOSHIDA, Tokuyuki	Kawasaki-shi, Kanagawa, JP	6	3

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Oct 20, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Oct 20, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 20, 2034

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent Application No: 2023/0124,641

CROSS-LINKED NUCLEOSIDE AND NUCLEOTIDE USING SAME

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