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

Patent Owner(s)

Patent Owner	Address
SONY CORPORATION A CORPORATION OF JAPAN	7-35 KITASHINAGAWA-6 SHINAGAWA-KU TOKYO
SONY ELECTRONICS INC A CORPORATION OF DELAWARE	1 SONY DRIVE PARK RIDGE NJ 07656

International Classification(s)

• G06T:IMAGE DATA PROCESSING OR GENERATION, IN GENERAL

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Wendt, Peter David	Mahwah, NJ	3	62

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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
January 18, 2005	US,6845170,B2   US6845170B2	GRANTED PATENT AS SECOND PUBLICATION
July 11, 2002	US,20020090109,A1   US20020090109A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6845170

Watermark resistant to resizing and rotation

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