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

Patent Owner(s)

Patent Owner	Address
NITTO BOSEKI CO LTD A CORP OF JAPAN	NO 1 AZA-HIGASHI GONEME FUKUSHIMA-SHI FUKUSHIMA

International Classification(s)

• C03C:CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREO....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Takehara, Keishin	Chiba, JP	2	42
Yamamoto, Osamu	Chiba, JP	243	3631
Yasiro, Yutaka	Chiba, JP	1	40

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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: 4363878

Alkali- and heat-resistant inorganic fiber

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