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

Patent Owner(s)

Patent Owner	Address
HERAEUS QUARZGLAS GMBH & CO KG	HANAU HANAU HESSIAN
SHIN-ETSU QUARTZ PRODUCTS CO LTD	SHINJUKU SAN-EI BLDG 1-22-2 NISHI-SHINJUKU SHINJUKU-KU TOKYO 160-0023

International Classification(s)

• C03B:MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Harada, Shigeo	Nagasaki, JP	19	130

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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	Feb 9, 2028

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
August 09, 2016	US,9409812,B2   US9409812B2	GRANTED PATENT AS SECOND PUBLICATION
February 27, 2014	US,20140053608,A1   US20140053608A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9409812

Heat treatment method for synthetic quartz glass

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