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

Patent Owner(s)

Patent Owner	Address
SK INNOVATION CO LTD	26 JONG-RO JONGNO-GU SEOUL 03188

International Classification(s)

• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
• G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Cho, Yong Gyun	Daejeon, KR	12	13
Kim, Ki Yup	Daejeon, KR	10	10
Lee, Hye Jin	Daejeon, KR	73	370
Lee, Sang Yeup	Daejeon, KR	12	44

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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	May 14, 2025

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

Full Text

US Patent Application No: 2013/0302,537

Cellulose Acylate Film

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