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

Patent Owner(s)

Patent Owner	Address
MITSUI ENGINEERING & SHIPBUILDING CO LTD ET AL	604 TSUKIJI 5-CHOME CHUO-KU TOKYO 104-8439
JAPAN AS REPRESENTED BY THE PRESIDENT OF THE UNIVERSITY OF KYUSYU	10-1 HAKOZAKI 6-CHOME HIGASHI-KU FUKOKA-SHI FUKUOKA 812-8581

International Classification(s)

• C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hatta, Naoki	Ichihara, JP	19	172
Inaba, Toshikazu	Ichihara, JP	6	150
Okada, Shigeto	Fukuoka, JP	35	424
Uchiyama, Izumi	Ichihara, JP	3	75
Yamaki, Jun-ichi	Kasuga, JP	32	344

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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
February 17, 2009	US,7491468,B2   US7491468B2	GRANTED PATENT AS SECOND PUBLICATION
July 06, 2006	US,20060147365,A1   US20060147365A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7491468

Method for preparing positive electrode material for secondary cell, and secondary cell

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