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

Patent Owner(s)

Patent Owner	Address
DH-EBIZ CO LTD	1604HO D-DONG 30 SONGDOMIRAE-RO YEONSU-GU INCHEON 21990

International Classification(s)

• G09B:EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCE....
• A63F:CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
HWANG, Soon Ho	Seoul, KR	10	103
KIM, Kil Jung	Seoul, KR	1	1
KIM, Yong Ho	Seoul, KR	373	4402
YOON, Ji Suk	Seoul, KR	1	1

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 20, 2028
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 20, 2032

Fee	Large entity fee	small entity fee	micro entity fee
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: 2020/0265,732

REALISTIC BLOCK-GAME EDUCATIONAL DEVICE USING SOUND COMBINATION PRINCIPLES, AND CONTROL METHOD OF SAME

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