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

Patent Owner(s)

Patent Owner	Address
NIPPON KAYAKU KABUSHIKI KAISHA	NO 1 ERDING MU 1 TAKESHI WAN CHIYODA TOKYO JAPAN TOKYO TOKYO METROPOLIS

International Classification(s)

• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
• C09B:ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PROD....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Higeta, Takahiro	Tokyo, JP	21	140
Sadamitsu, Yuichi	Tokyo, JP	23	238

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 27, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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 27, 2015	US,8940059,B2   US8940059B2	GRANTED PATENT AS SECOND PUBLICATION
April 21, 2011	US,20110089383,A1   US20110089383A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8940059

Azo compound and dye polarizing film containing the same

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