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

Patent Owner(s)

Patent Owner	Address
DAIDO TOKUSHUKO KABUSHIKI KAISHA	1-10 HIGASHISAKURA 1-CHOME HIGASHI-KU NOGOYA AICHI

International Classification(s)

• H01F:MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF M....
• B21C:MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PR....
• B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Esaki, Junichi	Nagoya, JP	6	29
Isogawa, Sachihiro	Nagoya, JP	5	60
Yoshida, Hiroaki	Nagoya, JP	263	3952

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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
June 08, 2010	US,7730755,B2   US7730755B2	GRANTED PATENT AS SECOND PUBLICATION
March 06, 2008	US,20080055031,A1   US20080055031A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7730755

Process of producing permanent magnet and permanent magnet

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