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

Patent Owner(s)

Patent Owner	Address
OPNEXT INC	940 AUBURN COURT FREMONT CA 94538

International Classification(s)

• H01S:DEVICES USING STIMULATED EMISSION

• 2008 Application Filing Year
• H01S Class
• 990 Applications Filed
• 613 Patents Issued To-Date
• 61.92 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Zhou, Deyu	Marlboro, US	2	2
# of filed Patents : 2 Total Citations : 2

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Patent Citation Ranking

• 0 Citation Count
• H01S Class

• 0 % this patent is cited more than
• 11 Age

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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	Sep 18, 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 18, 2014	US,8675698,B2   US8675698B2	GRANTED PATENT AS SECOND PUBLICATION
September 17, 2009	US,20090232168,A1   US20090232168A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 8675698

Green laser system

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Abstract

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A green laser is made by constructing a laser cavity that includes within it a laser diode, a non-linear crystal such as KTP, and a lens. The boundaries of the cavity are not defined by the ends of the diode itself, but are instead defined by the ends of an apparatus that includes the lens and the KTP or similar crystal.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2018
• LAPS2018
• FP2018
• FEPP2017
• I2014
• FEPP2013
• P2009
• AS2008
• F2008
• PD2008

Date	Code	Event	Description
Apr 16, 2018	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Apr 16, 2018	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.)
Mar 18, 2018	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Mar 18, 2018
Oct 30, 2017	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.)
Mar 18, 2014	I	Issuance
Dec 02, 2013	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Sep 17, 2009	P	Published
Apr 17, 2008	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ZHOU, DEYU;REEL/FRAME:020933/0383 Owner name: OPNEXT, INC., NEW JERSEY Effective Date: Apr 17, 2008
Mar 12, 2008	F	Filing
Mar 12, 2008	PD	Priority Date