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

Patent Owner(s)

• SODICK CO., LTD.

International Classification(s)

• B23H:WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hayashi, Yasushi	San Jose, US	36	374

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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
April 05, 2011	US,7919721,B2   US7919721B2	GRANTED PATENT AS SECOND PUBLICATION
February 28, 2008	US,20080047936,A1   US20080047936A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7919721

Method of measuring taper angle in wire electric discharge machining apparatus and measuring tool

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