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

Patent Owner(s)

Patent Owner	Address
TOHOKU UNIVERSITY	2-1-1 KATAHIRA AOBA-KU SENDAI-SHI MIYAGI 9808577 ?9808577
DAIO PAPER CORPORATION	2-60 MISHIMAKAMIYA-CHO SHIKOKUCHUO-SHI EHIME 7990492 ?7990492

International Classification(s)

• A47K:SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR
• D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
HOKKIRIGAWA, Kazuo	Sendai-shi, Miyagi, JP	50	304
IWASAKI, Minoru	Fuji-shi, Shizuoka, JP	14	40
SHIBATA, Kei	Sendai-shi, Miyagi, JP	10	22
TAKAHASHI, Sachiko	Fuji-shi, Shizuoka, JP	23	17
TOMIOKA, Noritada	Fuji-shi, Shizuoka, JP	4	7
YAMAGUCHI, Takeshi	Sendai-shi, Miyagi, JP	387	3360
YASUI, Shuta	Fuji-shi, Shizuoka, JP	20	56

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Patent Citation Ranking

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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	Oct 7, 2025
7.5 Year Payment	$3600.00	$1800.00	$900.00	Oct 7, 2029
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Oct 7, 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: 2022/0106,740

TISSUE PAPER

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