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

Patent Owner(s)

Patent Owner	Address
TOYO KASEI KOGYO COMPANY LIMITED	OSAKA-SHI OSAKA 530-0004

International Classification(s)

• H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
• C07D:HETEROCYCLIC COMPOUNDS

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Mitsui, Sunao	Takasago, JP	4	15
Nakagawa, Satoshi	Takasago, JP	153	1990
Ohno, Susumu	Takasago, JP	3	21
Yamaguchi, Satoshi	Takasago, JP	243	2585

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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 No: 6340539

2,5-Dimercapto-1,3,4-thiadiazole dilithium salt and its dihydrate and their manufacture, and a secondary lithium battery and positive electrode-active material comprising the same

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