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

Patent Owner(s)

• NAGAOKA UNIVERSITY OF TECHNOLOGY

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Uchida, Isamu	Sendai, JP	30	471
Umeda, Minoru	Nagaoka, JP	14	218
Yamada, Akifumi	Nagaoka, JP	5	85

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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
July 05, 2011	US,7972743,B2   US7972743B2	GRANTED PATENT AS SECOND PUBLICATION
January 04, 2007	US,20070003817,A1   US20070003817A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2007/0003,817

Membrane electrode assembly, method for producing the same, and solid state polymer fuel cell

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