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

Patent Owner(s)

Patent Owner	Address
JAPAN AEROSPACE EXPLORATION AGENCY	7-44-1 JINDAIJI HIGASHI-MACHI CHOFU-SHI TOKYO 182-8522
NIPPON SHEET GLASS COMPANY LIMITED	TOKYO 108-6321

International Classification(s)

• F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
• C03C:CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREO....
• H01S:DEVICES USING STIMULATED EMISSION

• 2008 Application Filing Year
• F21V Class
• 1980 Applications Filed
• 1066 Patents Issued To-Date
• 53.84 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Arai, Yasutomo	Ibaraki, JP	5	18
# of filed Patents : 5 Total Citations : 18
Kittaka, Shigeo	Tokyo, JP	50	419
# of filed Patents : 50 Total Citations : 419
Masuno, Atsunobu	Ibaraki, JP	10	28
# of filed Patents : 10 Total Citations : 28
Tsuda, Masahiro	Tokyo, JP	27	232
# of filed Patents : 27 Total Citations : 232
Yono, Kentei	Ibaraki, JP	8	56
# of filed Patents : 8 Total Citations : 56

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Patent Citation Ranking

• 1 Citation Count
• F21V Class

• 1.22 % this patent is cited more than
• 15 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
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: 2010/0022,379

OPTICAL ELEMENT, TITANIUM-CONTAINING OXIDE GLASS USED FOR THE OPTICAL ELEMENT, AND LIGHT EMITTING METHOD AND LIGHT AMPLIFYING METHOD USING THE TITANIUM-CONTAINING OXIDE GLASS

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Abstract

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An optical element of the present invention exhibits at least one of an upconversion emission characteristic and a light amplifying characteristic when irradiated with an excitation light. The optical element includes a bulk glass that contains titanium oxide as a main component, and the glass further contains a rare earth element. As the rare earth element, at least one element of Er and Yb, or a combination of Yb and Tm preferably is used, for example.

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Description

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Claims

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