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

Patent Owner(s)

Patent Owner	Address
TOPPAN PRINTING CO LTD	TOKYO JAPAN TOKYO METROPOLIS
TOYO INK MFG CO LTD	TOKYO 104-0031

International Classification(s)

• G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Akao, Sosuke	Tokyo, JP	13	52
Hagiwara, Hidesato	Tokyo, JP	18	258
Itoi, Takeshi	Tokyo, JP	20	214
Minato, Koichi	Tokyo, JP	29	128
Saito, Yuki	Tokyo, JP	66	404
Yamamoto, Masayuki	Tokyo, JP	380	5148

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Patent Citation Ranking

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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
May 24, 2011	US,7948623,B2   US7948623B2	GRANTED PATENT AS SECOND PUBLICATION
October 15, 2009	US,20090257007,A1   US20090257007A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7948623

Method for evaluating color filter, color filter and liquid crystal display device

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