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

Patent Owner(s)

• NEC TOKIN CORPORATION

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
Harada, Gaku	Tokyo, JP	66	592
Kamisuki, Hiroyuki	Miyagi, JP	22	225
Kaneko, Shinako	Miyagi, JP	46	397
Kurosaki, Masato	Tokyo, JP	30	208
Mitani, Masaya	Miyagi, JP	23	208
Nakagawa, Yuji	Tokyo, JP	82	396
Nishiyama, Toshihiko	Miyagi, JP	114	1982
Nobuta, Tomoki	Miyagi, JP	68	498

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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
March 22, 2005	US,6869731,B2   US6869731B2	GRANTED PATENT AS SECOND PUBLICATION
May 15, 2003	US,20030091905,A1   US20030091905A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 6869731

Electrolytic solution and electrochemical cell using the same

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