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

Patent Owner(s)

Patent Owner	Address
SEIKO EPSON CORPORATION	1-6 SHINJUKU 4-CHOME SHINJUKU-KU TOKYO 160-8801

International Classification(s)

• C08B:POLYSACCHARIDES; DERIVATIVES THEREOF

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
KATO, Makoto	Shiojiri, JP	278	3323
NAKASHIMA, Yoshiki	Suwa, JP	46	565
OANA, Sotaro	Matsumoto, JP	6	0
TANAKA, Hideki	Chino, JP	448	5293

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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	Nov 2, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Nov 2, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Nov 2, 2035

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: 2024/0141,073

METHOD FOR MANUFACTURING CELLULOSE DERIVATIVE

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