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

Patent Owner(s)

Patent Owner	Address
FUJIKURA LTD	1-5-1 KIBA KOTO-KU TOKYO 1358512 ?1358512

International Classification(s)

• B08B:CLEANING IN GENERAL; PREVENTION OF FOULING IN GENE....
• H05F:STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICIT....
• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fujita, Shunsuke	Chiba, JP	47	272
Fujiwara, Kunihiko	Chiba, JP	74	1347
Sakaguchi, Yuya	Chiba, JP	5	0

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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	Dec 8, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 8, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 8, 2034

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: 2023/0180,377

CLEANING TOOL

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