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

Patent Owner(s)

Patent Owner	Address
TDK CORPORATION	2-5-1 NIHONBASHI CHUO-KU TOKYO 1036128 ?1036128

International Classification(s)

• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
• C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
• C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hayashida, Naoki	Tokyo , JP	63	550
Ihara, Rie	Tokyo , JP	7	37
Itoh, Hidetake	Tokyo , JP	35	208
Tanaka, Kazushi	Tokyo , JP	61	519

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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
December 15, 2009	US,7632874,B2   US7632874B2	GRANTED PATENT AS SECOND PUBLICATION
June 28, 2007	US,20070148596,A1   US20070148596A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7632874

Hardcoat agent composition and optical information medium thereof

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