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

Patent Owner(s)

Patent Owner	Address
ASTOM CORPORATION	4-5 NISHI-SHINBASHI 1-CHOME MINATO-KU TOKYO 105-8429

International Classification(s)

• C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Aritomi, Toshio	Shunan, JP	6	63
Kawashima, Minoru	Shunan, JP	4	48
Mizuguchi, Kazuo	Shunan, JP	9	101
Nishio, Kazunori	Shunan, JP	4	27

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 17, 2026

Fee	Large entity fee	small entity fee	micro entity fee
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
March 17, 2015	US,8980070,B2   US8980070B2	GRANTED PATENT AS SECOND PUBLICATION
October 06, 2011	US,20110240463,A1   US20110240463A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8980070

Bipolar membrane and method of manufacturing the same

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