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

Patent Owner(s)

• ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

International Classification(s)

• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Arrouy, Frederic	Verlaines, FR	8	90
Cado, Herve	Champigny sur Marne, FR	9	94
Helmstetter, Yvon	Boviolles, FR	3	28

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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 10, 2005	US,6891673,B2   US6891673B2	GRANTED PATENT AS SECOND PUBLICATION
December 04, 2003	US,20030223114,A1   US20030223114A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6891673

Thin film polarization splitter, its manufacture and ophthalmic lens with projection inserts containing it

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