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

Patent Owner(s)

Patent Owner	Address
NIPPON KAYAKU KABUSHIKI KAISHA	1-1 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1000005 ?1000005
POLATECHNO CO LTD	192-6 AZA SHIMOGAWARA INAMASU ITAKURA-KU JOETSU-SHI NIIGATA 9440101

International Classification(s)

• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
• C09B:ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PROD....
• G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Higeta, Takahiro	Tokyo, JP	21	140
Mochizuki, Noriaki	Tokyo, JP	17	51

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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 19, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jan 19, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 19, 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
July 19, 2022	US,11391873,B2   US11391873B2	GRANTED PATENT AS SECOND PUBLICATION
September 05, 2019	US,20190271801,A1   US20190271801A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11391873

Dye-based polarizing plate for infrared wavelength range using azo, anthraquinone, or cyanine compound

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