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

Patent Owner(s)

Patent Owner	Address
SAMSUNG ELECTRONICS CO LTD	129 SAMSUNG-RO YEONGTONG-GU SUWON-SI GYEONGGI-DO 16677 16677

International Classification(s)

• B41M:PRINTING, DUPLICATING, MARKING, OR COPYING PROCESS....
• C25D:PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC ....
• B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....
• F25D:REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR F....
• C23F:NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM S....

• 2024 Application Filing Year
• B41M Class
• 211 Applications Filed
• 3 Patents Issued To-Date
• 1.43 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
CHUN, Jihwan	Suwon-si, KR	7	3
# of filed Patents : 7 Total Citations : 3
KANG, Heecheol	Suwon-si, KR	2	0
# of filed Patents : 2 Total Citations : 0
KIM, Jinju	Suwon-si, KR	122	1742
# of filed Patents : 122 Total Citations : 1742
KIM, Kwangjoo	Suwon-si, KR	29	0
# of filed Patents : 29 Total Citations : 0
KOH, Youngdeog	Suwon-si, KR	34	0
# of filed Patents : 34 Total Citations : 0
LEE, Kyunghwan	Suwon-si, KR	93	128
# of filed Patents : 93 Total Citations : 128
LEE, Minkyung	Suwon-si, KR	72	137
# of filed Patents : 72 Total Citations : 137

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Patent Citation Ranking

• 0 Citation Count
• B41M Class

• 0 % this patent is cited more than
• 1 Age

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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	Dec 13, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 13, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 13, 2035

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 No: 9082054

Authentication device for security documents

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Abstract

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An optical based authentication device that is attachable to a security document having a substrate. The authentication device includes: a piezoelectric material layer for generating an electric field in response to mechanical stress; and an optically responsive layer directly attached to the piezoelectric material layer, the attached layers being absent a direct electrical connection, the optically responsive layer being operable between a first state and a second state having different ocular perceptions. The optically responsive layer changes from the first state to the second state in response the electric field generated by the piezoelectric material layer.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2022
• MAFP2019
• CC2016
• I2015
• STCF2015
• P2014
• F2012
• PD2011

Date	Code	Event	Description
Sep 20, 2022	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Jan 04, 2019	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
May 17, 2016	CC	CERTIFICATE OF CORRECTION
Jul 14, 2015	I	Issuance
Jun 24, 2015	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Sep 11, 2014	P	Published
Sep 19, 2012	F	Filing
Sep 20, 2011	PD	Priority Date