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

Patent Owner(s)

Patent Owner	Address
KABUSHIKI KAISHA TOSHIBA	1-1 SHIBAURA 1-CHOME MINATO-KU TOKYO 105-0023
TOSHIBA MATERIALS CO LTD	8 SHINSUGITA-CHO ISOGO-KU YOKOHAMA-SHI KANAGAWA

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• F21K:LIGHT SOURCES NOT OTHERWISE PROVIDED FOR

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Shirakawa, Yasuhiro	Yokohama-Shi, JP	70	742
Takemura, Hirofumi	Kamakura-Shi, JP	12	86
Usui, Daichi	Yokohama-Shi, JP	15	36

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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	Jun 26, 2025

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

Full Text

US Patent Application No: 2013/0343,059

PHOSPHOR AND LIGHT EMITTING DEVICE

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