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

Patent Owner(s)

Patent Owner	Address
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY	67 CHEONGAM-RO NAM-GU POHANG-SI GYEONGSANGBUK-DO 37673 37673
POSCO CO LTD	(GOEDONG-DONG) 6261 DONGHAEAN-RO NAM-GU POHANG-SI GYEONGSANGBUK-DO 37859 37859

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
• C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hwangbo, Geun	Incheon, KR	7	2
Lee, Jae Myung	Pohang-si, Gyeongsangbuk-do, KR	25	383
Nam, Sang Cheol	Seoul, KR	46	72
Park, Jong Il	Pohang-si, Gyeongsangbuk-do, KR	72	438

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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	Dec 9, 2025
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 9, 2029
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 9, 2033

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: 2022/0181,627

CATHODE ADDITIVE FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREFOR, CATHODE FOR LITHIUM SECONDARY BATTERY, COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

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