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

Patent Owner(s)

Patent Owner	Address
TSINGHUA UNIVERSITY	100084 TSINGHUA YUAN BEIJING HAIDIAN DISTRICT BEIJING CITY BEIJING CITY 100084
NUCTECH COMPANY LIMITED	2ND FLOOR BLOCK A TONGFANG BUILDING SHUANGQINGLU HAIDIAN DISTRICT BEIJING 100084

International Classification(s)

• G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chen, Zhiqiang	Beijing, CN	429	2689
Li, Yuanjing	Beijing, CN	274	2040
Liu, Yinong	Beijing, CN	148	1555
Xiao, Yongshun	Beijing, CN	19	256
Xing, Yuxiang	Beijing, CN	55	649
Zhang, Li	Beijing, CN	2775	40019
Zhao, Ziran	Beijing, CN	241	1415

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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
March 30, 2010	US,7689055,B2   US7689055B2	GRANTED PATENT AS SECOND PUBLICATION
December 28, 2006	US,20060291742,A1   US20060291742A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7689055

Method and apparatus for enhancing image acquired by radiographic system

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