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

Patent Owner(s)

Patent Owner	Address
KOREA BASIC SCIENCE INSTITUTE	169-148 GWAHAK-RO YUSEONG-GU DAEJEON 34133
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY	CORPORATE COLLABORATION CENTER SUNGKYUNKWAN UNIVERSITY 2066 SEOBU-RO JANGAN-GU GYEONGGI-DO SUWON-SI 16419

International Classification(s)

• B22F:WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES F....
• C23F:NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM S....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kim, Dong Kwan	Seoul, KR	19	157
Lee, Gaehang	Daejeon, KR	3	2
Lee, You-Jin	Gongju-si, KR	12	60
Yi, Gi-Ra	Suwon-si, KR	9	10

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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	Feb 1, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 1, 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
August 01, 2017	US,9718132,B2   US9718132B2	GRANTED PATENT AS SECOND PUBLICATION
October 15, 2015	US,20150290714,A1   US20150290714A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9718132

Manufacturing method of spherical gold (Au) nanoparticles and spherical gold (Au) nanoparticle manufactured by using the same

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