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

Patent Owner(s)

Patent Owner	Address
TOAGOSEI CO LTD	1-14-1 NISHI-SHIMBASHI MINATO-KU TOKYO 1058419 ?1058419
THE UNIVERSITY OF TOKYO	TOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

• C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
• D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
FUJISAWA, Shuji	Bunkyo-ku, Tokyo, JP	12	79
GOTOU, Akihiro	Nagoya-shi, Aichi, JP	30	86
KAMIYA, Daisuke	Minato-ku, Tokyo, JP	15	72
MATSUKI, Shiroshi	Nagoya-shi, Aichi, JP	9	2
NAKANO, Shun	Nagoya-shi, Aichi, JP	2	0
SAITO, Ryo	Bunkyo-ku, Tokyo, JP	88	590
SAITO, Tsuguyuki	Bunkyo-ku, Tokyo, JP	7	122

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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 16, 2025
7.5 Year Payment	$3600.00	$1800.00	$900.00	Dec 16, 2029
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Dec 16, 2033

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: 2022/0186,015

METHOD OF PRODUCING RESIN MODIFIER, RESIN MODIFIER, AND COMPOSITE MATERIAL

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