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

Patent Owner(s)

Patent Owner	Address
MITSUBISHI CHEMICAL CORPORATION	1-1 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO

International Classification(s)

• C30B:SINGLE-CRYSTAL GROWTH

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fujisawa, Hideo	Ibaraki, JP	33	139
Ikeda, Hirotaka	Ibaraki, JP	17	55
Kamada, Kazunori	Ibaraki, JP	23	118
Kojima, Atsuhiko	Ibaraki, JP	10	249
Mikawa, Yutaka	Ibaraki, JP	36	168
Namita, Hideo	Ibaraki, JP	14	36

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
7.5 Year Payment	$3600.00	$1800.00	$900.00	Aug 13, 2025
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 13, 2029

Fee	Large entity fee	small entity fee	micro entity fee
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 13, 2018	US,9890474,B2   US9890474B2	GRANTED PATENT AS SECOND PUBLICATION
December 17, 2015	US,20150361587,A1   US20150361587A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9890474

Crystal of nitride of group-13 metal on periodic table, and method for producing the same

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