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

Patent Owner(s)

Patent Owner	Address
SAI GROUP HOLDINGS KABUSHIKI KAISHA	45-55 NOKE 4-CHOME SAWARA-KU FUKUOKA-SHI FUKUOKA 8140171

International Classification(s)

• E04B:GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTIT....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ebisu, Kenya	Fukuoka, JP	2	0

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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	Oct 18, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Oct 18, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 18, 2034

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
April 18, 2023	US,11629489,B2   US11629489B2	GRANTED PATENT AS SECOND PUBLICATION
October 07, 2021	US,20210310232,A1   US20210310232A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2021/0310,232

BOX-SHAPED BUILDING UNIT AND BUILDING

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