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

Patent Owner(s)

Patent Owner	Address
YOSHIZAWA LIME INDUSTRY CO LTD	7-10 MIYASHITA-CHO KUZUU-MACHI ASO-GAN TOCHIGI

International Classification(s)

• C22B:PRODUCTION OR REFINING OF METALS
• C21B:MANUFACTURE OF IRON OR STEEL

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ban, Ya Shiro	Miyagi, JP	1	0
Ban, Ya Yoko	Miyagi, JP	1	0
Ban-Ya, Shiro	Miyagi, JP	1	0
Ban-Ya, Yoko	Miyagi, JP	1	0
Hind, Mitsutaka	Miyagi, JP	1	0
Ito, Hiroyasu	Tochigi, JP	89	1216
Takeda, Syuhei	Tochigi, JP	1	0

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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

Full Text

US Patent Application No: 2011/0167,960

Flux for refining steel of low nitrogen, low oxygen and low sulfur

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