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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)

• C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
• H01C:RESISTORS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
FUJITA, Kazutaka	Tokyo, JP	12	52
ITOH, Kazuhiko	Tokyo, JP	43	566
MORIKOSHI, Hiroki	Tokyo, JP	10	37
SHIMURA, Yoshikazu	Tokyo, JP	16	19
TERADA, Tomohiro	Tokyo, JP	58	1396

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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 10, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 10, 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

Full Text

US Patent Application No: 2017/0226,018

SEMICONDUCTOR CERAMIC COMPOSITION AND PTC THERMISTOR

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