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

Patent Owner(s)

Patent Owner	Address
YOSHINO GYPSUM CO LTD	SHIN-TOKYO BLDG 3-1 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 1000005

International Classification(s)

• C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
• B28C:PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ataka, Yuji	Tokyo, JP	3	3
Sato, Yosuke	Tokyo, JP	185	1551

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 26, 2027

Fee	Large entity fee	small entity fee	micro entity fee
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 26, 2016	US,9321685,B2   US9321685B2	GRANTED PATENT AS SECOND PUBLICATION
August 13, 2015	US,20150225293,A1   US20150225293A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2015/0225,293

GYPSUM COMPOSITION, GYPSUM SLURRY, GYPSUM HARDENED BODY, GYPSUM-BASED BUILDING MATERIAL, GYPSUM BOARD, AND MANUFACTURING METHOD FOR A GYPSUM-BASED BUILDING MATERIAL

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