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

Patent Owner(s)

• E-VISION SMART OPTICS INC.; KENT STATE UNIVERSITY

International Classification(s)

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

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
BOS, Phil	Hudson, US	7	56
BRYANT, Douglas	Aurora, US	18	198
Duston, Dwight P	Laguna Niguel, US	110	5138
Heugten, Anthony Van	Sarasota, US	11	23
LI, Liwei	Tempe, US	56	599

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Aug 13, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Aug 13, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 13, 2036

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

Full Text

US Patent Application No: 2025/0053,061

DOUBLE-LAYER ELECTRODE FOR ELECTRO-OPTIC LIQUID CRYSTAL LENS

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