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

Patent Owner(s)

Patent Owner	Address
KYOWA CHEMICAL INDUSTRY CO LTD	TAKAMATSU-SHI KAGAWA 761-0113

International Classification(s)

• C01F:COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUM....

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ando, Taro	Sakaide, JP	48	201
Hiraishi, Wataru	Sakaide, JP	7	58
Oishi, Shunji	Sakaide, JP	2	23
Yoshii, Makoto	Sakaide, JP	8	72

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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: 6676920

Magnesium hydroxide particles, process for producing the same, and resin composition containing the particles

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