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

Patent Owner(s)

Patent Owner	Address
POSCO	POHANG-SI GYEONGSANGBUK-DO 37859

International Classification(s)

• C23C:COATING METALLIC MATERIAL; COATING MATERIAL WITH M....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
• C22C:ALLOYS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
AN, Kyung-Jin	Jeollanam-do, KR	2	2
JUNG, Jong-Un	Jeollanam-do, KR	2	2
KIM, Jung-Hoon	Seoul, KR	130	2514
KIM, Jung-Kuk	Jeollanam-do, KR	12	42
KIM, Tae-Chul	Jeollanam-do, KR	31	47
PARK, Jin-Seo	Jeollanam-do, KR	7	49
SOHN, Il-Ryoung	Jeollanam-do, KR	43	204

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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	Feb 11, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 11, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 11, 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: 2022/0251,696

ZINC ALLOY PLATED STEEL MATERIAL HAVING EXCELLENT SURFACE QUALITY AND CORROSION RESISTANCE, AND METHOD FOR MANUFACTURING SAME

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