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

Patent Owner(s)

Patent Owner	Address
BESTAC ADVANCED MATERIAL CO LTD	5F-2 NO 185 KEWANG RD LONGTAN TOWNSHIP TAOYUAN COUNTY 325

International Classification(s)

• B24B:MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR PO....
• B24D:TOOLS FOR GRINDING, BUFFING, OR SHARPENING

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
HUANG, CHI CHE	KAOHSIUNG CITY, TW	1	0
HUNG, HSIEN-CHANG	KAOHSIUNG CITY, TW	5	7
HUNG, YUNG-CHANG	KAOHSIUNG CITY, TW	45	119
SONG, HSIN-RU	KAOHSIUNG CITY, TW	6	0
WANG, LYANG-GUNG	KAOHSIUNG CITY, TW	21	42
WU, JENG YI	KAOHSIUNG CITY, TW	1	0
YAO, I-PENG	KAOHSIUNG CITY, TW	79	189

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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	Jan 20, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jan 20, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 20, 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

Full Text

US Patent Application No: 2023/0226,661

POLISHING PAD, METHOD FOR MANUFACTURING POLISHING PAD AND POLISHING APPARATUS

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