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

Patent Owner(s)

• SUMITOMO CHEMICAL COMPANY, LIMITED

International Classification(s)

• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hatanaka, Nobuyuki	Osaka, JP	31	151
Sase, Mitsutaka	Niihama, JP	8	87

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	May 1, 2024
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 1, 2028

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
November 01, 2016	US,9482801,B2   US9482801B2	GRANTED PATENT AS SECOND PUBLICATION
February 12, 2015	US,20150043073,A1   US20150043073A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9482801

Method for producing long circular polarization plate and long circular polarization plate

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