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

Patent Owner(s)

Patent Owner	Address
GC CORPORATION	SUNTO-GUN SHIZUOKA 410-1307

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• C03C:CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Akiyama, Shigenori	Tokyo, JP	9	20
Fukushima, Syouichi	Tokyo, JP	7	13
Tateiwa, Satomi	Tokyo, JP	6	16
Yamamoto, Katsushi	Tokyo, JP	29	617
Yoshimitsu, Ryosuke	Tokyo, JP	13	21

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Nov 12, 2027
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 12, 2031

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
May 12, 2020	US,10646408,B2   US10646408B2	GRANTED PATENT AS SECOND PUBLICATION
March 21, 2019	US,20190083364,A1   US20190083364A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2019/0083,364

DENTAL GLASS POWDER

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