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

Patent Owner(s)

• KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)

International Classification(s)

• B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Katoh, Jun	Kobe, JP	19	250
Matsumoto, Katsushi	Kobe, JP	54	412
Takeda, Mikako	Kobe, JP	29	274
Urushihara, Wataru	Kobe, JP	23	231

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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
April 21, 2009	US,7521129,B2   US7521129B2	GRANTED PATENT AS SECOND PUBLICATION
December 07, 2006	US,20060275623,A1   US20060275623A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7521129

Steel sheet for dissimilar materials weldbonding to aluminum material and dissimilar materials bonded body

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