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

Patent Owner(s)

Patent Owner	Address
DIC CORPORATION	35-58 SAKASHITA 3-CHOME ITABASHI-KU TOKYO 174-8520

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• C10N:INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M
• C10M:LUBRICATING COMPOSITIONS
• C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
• C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Jian, Jun Yuan	Sakura, JP	1	0
Kinoshita, Hiroshi	Sakura, JP	102	1284

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	May 21, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	May 21, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 21, 2035

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
November 21, 2023	US,11820901,B2   US11820901B2	GRANTED PATENT AS SECOND PUBLICATION
January 14, 2021	US,20210009812,A1   US20210009812A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11820901

Plate-like alumina particle and a manufacturing method for the same

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