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

Patent Owner(s)

Patent Owner	Address
USHIO DENKI KABUSHIKI KAISHA	1-6-5 MARUNOUCHI CHIYODA-KU TOKYO 1008150 ?1008150
NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY	39-1 KUROKAMI 2-CHOME CHUO-KU KUMAMOTO-SHI KUMAMOTO 8608555 ?8608555

International Classification(s)

• G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
• G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Morita, Kinichi	Tokyo, JP	21	27
Nakashima, Yuta	Kumamoto, 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	May 8, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	May 8, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 08, 2022	US,11493431,B2   US11493431B2	GRANTED PATENT AS SECOND PUBLICATION
April 23, 2020	US,20200124522,A1   US20200124522A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11493431

Optical measurement system, optical cell, and optical measurement method

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