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

Patent Owner(s)

Patent Owner	Address
TDK CORPORATION	2-5-1 NIHONBASHI CHUO-KU TOKYO 103-6128

International Classification(s)

• H02J:CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR D....
• H01F:MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF M....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Matsuhashi, Mitsuhiro	Tokyo, JP	2	3
Nakahata, Isao	Tokyo, JP	27	80

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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	Nov 21, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Nov 21, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 21, 2035

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 21, 2024	US,11990271,B2   US11990271B2	GRANTED PATENT AS SECOND PUBLICATION
October 04, 2018	US,20180286550,A1   US20180286550A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11990271

Soft magnetic ribbon for magnetic core, magnetic core, coil unit, and wireless power transmission unit

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