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

Patent Owner(s)

Patent Owner	Address
SK ENPULSE CO LTD	PYEONGTAEK-SI GYEONGGI-DO 17784

International Classification(s)

• G03F:PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNE....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
JEONG, Min Gyo	Seoul, KR	24	0
KIM, Seong Yoon	Seoul, KR	30	28
KIM, Suhyeon	Seoul, KR	42	397
KIM, Tae Young	Seoul, KR	205	1465
KIM, Taewan	Seoul, KR	96	459
LEE, GeonGon	Seoul, KR	19	0
LEE, Hyung-joo	Seoul, KR	41	577
SHIN, Inkyun	Seoul, KR	30	6
SON, Sung Hoon	Seoul, KR	29	107

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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	Jun 28, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jun 28, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jun 28, 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 Application No: 2023/0418,150

BLANK MASK AND PHOTOMASK USING THE SAME

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