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

Patent Owner(s)

Patent Owner	Address
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL LTD )	2-4 WAKINOHAMA-KAIGANDORI 2-CHOME CHUO-KU KOBE-SHI HYOGO 6518585 JAPAN

International Classification(s)

• H01F:MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF M....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hojo, Hirofumi	Takasago, JP	13	65
Kamijo, Tomotsuna	Takasago, JP	6	19
Mitani, Hiroyuki	Kobe, JP	25	188
Ohwaki, Takeshi	Kobe, JP	32	363

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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
December 04, 2012	US,8323422,B2   US8323422B2	GRANTED PATENT AS SECOND PUBLICATION
June 21, 2012	US,20120154083,A1   US20120154083A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8323422

Production process of dust core and dust core obtained thereby

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