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

Patent Owner(s)

Patent Owner	Address
BOSTON APPLIED TECHNOLOGIES INCORPORATED	6F GILL STREET WOBURN MA 01801

International Classification(s)

• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chen, Qiushui	Andover, US	15	155
Zhao, Hongzhi	Malden, US	27	134
Zou, Yingyin Kevin	Lexington, US	10	42

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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 20, 2010	US,7701561,B2   US7701561B2	GRANTED PATENT AS SECOND PUBLICATION
December 27, 2007	US,20070296958,A1   US20070296958A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7701561

Polarization imaging apparatus

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