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

Patent Owner(s)

Patent Owner	Address
TOKYO INSTITUTE OF TECHNOLOGY	TOKYO 152-8550
SHIRAISHI CENTRAL LABORATORIES CO LTD	AMAGASAKI-SHI HYOGO 660-0085

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• C01F:COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUM....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kato, Yukitaka	Tokyo, JP	3	0
Tajika, Masahiko	Amagasaki, JP	6	0
Takasu, Hiroki	Tokyo, JP	2	0
Uchiyama, Naoto	Tokyo, JP	1	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	Jan 19, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jan 19, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 19, 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
July 19, 2022	US,11390788,B2   US11390788B2	GRANTED PATENT AS SECOND PUBLICATION
January 28, 2021	US,20210024805,A1   US20210024805A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11390788

Chemical heat storage material and method for producing same

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