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

Patent Owner(s)

Patent Owner	Address
CANON KABUSHIKI KAISHA	30-2 SHIMOMARUKO 3-CHOME OHTA-KU TOKYO 1468501 JAPAN

International Classification(s)

• H01S:DEVICES USING STIMULATED EMISSION

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Sekiguchi, Ryota	Kawasaki, JP	61	482
# of filed Patents : 61 Total Citations : 482

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• H01S Class

• 0 % this patent is cited more than
• 14 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 07, 2011	US,7957443,B2   US7957443B2	GRANTED PATENT AS SECOND PUBLICATION
April 21, 2011	US,20110090926,A1   US20110090926A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 2011/0090,926

LASER DEVICE

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Abstract

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Provided is a long wavelength laser of which the operating point is stabilized and the laser oscillation is stabilized. The long wavelength laser comprises a resistor element provided to a portion where the surface current is maximum in a surface plasmon waveguide to stabilize a potential difference between a first cladding and a second cladding in the surface plasmon waveguide.

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Description

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Claims

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