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

Patent Owner(s)

Patent Owner	Address
DAINICHISEIKA COLOR & CHEMICALS MFG CO LTD	7-6 NIHONBASHI BAKURO-CHO 1-CHOME CHUO-KU TOKYO 103-8383
NAKAYAMA KEN-ICHI	C/O YAMAGATA UNIVERSITY 3-16 JONAN 4-CHOME YONEZAWA-SHI YAMAGATA 992-8510

International Classification(s)

• H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
• C07D:HETEROCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hashimoto, Yohei	Yonezawa, JP	77	444
Hirata, Naoki	Chuo-ku, JP	9	19
Kido, Junji	Yonezawa, JP	79	7232
Nakayama, Ken-ichi	Yonezawa, JP	9	75
Oguma, Naomi	Chuo-ku, JP	14	55
Pu, Yong-Jin	Yonezawa, JP	6	23

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	May 25, 2026

Fee	Large entity fee	small entity fee	micro entity fee
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
November 25, 2014	US,8895963,B2   US8895963B2	GRANTED PATENT AS SECOND PUBLICATION
March 08, 2012	US,20120056166,A1   US20120056166A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8895963

Organic semiconductor material, organic semiconductor thin film, and organic thin-film transistor

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