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

Patent Owner(s)

Patent Owner	Address
HOYA CORPORATION	2-7-5 NAKA-OCHIAI SHINJUKU-KU TOKYO

International Classification(s)

• G11B:INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BET....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Itaya, Masanobu	Minami-Alps, JP	10	31
Osakabe, Kinobu	Tokorozawa, JP	38	607

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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	Sep 28, 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
March 28, 2017	US,9607647,B2   US9607647B2	GRANTED PATENT AS SECOND PUBLICATION
September 03, 2015	US,20150248910,A1   US20150248910A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2015/0248,910

MAGNETIC-DISK GLASS SUBSTRATE AND MAGNETIC DISK

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