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

Patent Owner(s)

Patent Owner	Address
SAKAI CHEMICAL INDUSTRY CO LTD	SAKAI-SHI OSAKA 590-8502

International Classification(s)

• C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hirata, Norimune	Osaka, JP	5	5
Yoneda, Minoru	Osaka, JP	17	145

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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	May 29, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	May 29, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 29, 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
November 29, 2022	US,11515545,B2   US11515545B2	GRANTED PATENT AS SECOND PUBLICATION
December 31, 2020	US,20200411883,A1   US20200411883A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11515545

Air electrode material powder for solid oxide fuel cells

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