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

Patent Owner(s)

Patent Owner	Address
MITSUBISHI GAS CHEMICAL COMPANY INC	5-2 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 100-8324

International Classification(s)

• C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
• G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
ARAI, Yuta	Tokyo, JP	16	23
HARADA, Yutaro	Tokyo, JP	28	25
ISHIHARA, Kentaro	Tokyo, JP	62	105
KATO, Noriyuki	Tokyo, JP	90	266
MOTEGI, Atsushi	Tokyo, JP	26	21
MURATA, SUZUKI Shoko	Tokyo, JP	6	0
NISHIMORI, Katsushi	Tokyo, JP	19	1
WATANABE, Takafumi	Tokyo, JP	34	170

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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	Sep 20, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Sep 20, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Sep 20, 2036

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: 2025/0092,190

POLYESTER CARBONATE RESIN, AND OPTICAL LENS AND OPTICAL FILM WHICH USE SAME

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