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Ottawa, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Optical amplifier using a single input pump laser and having a swit...
Patent number
11,303,094
Issue date
Apr 12, 2022
AOC Technologies (Wuhan) Co., Ltd.
Jiyu Peng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Add drop structure
Patent number
11,296,810
Issue date
Apr 5, 2022
Accelink Technologies Co., Ltd.
Alan Solheim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and device for chromatic dispersion compensation
Patent number
11,044,019
Issue date
Jun 22, 2021
Accelink Technologies Co., Ltd.
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switchable-gain optical amplifier
Patent number
10,666,011
Issue date
May 26, 2020
Molex, LLC
Chiachi Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and device having a saturable absorber for filtering
Patent number
10,379,288
Issue date
Aug 13, 2019
Lijie Qiao
G02 - OPTICS
Information
Patent Grant
Optical amplifier
Patent number
10,297,970
Issue date
May 21, 2019
Lijie Qiao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical amplifier
Patent number
10,297,972
Issue date
May 21, 2019
Lijie Qiao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical amplifier
Patent number
10,297,971
Issue date
May 21, 2019
Lijie Qiao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Regroup optical cable
Patent number
10,274,689
Issue date
Apr 30, 2019
Lijie Qiao
G02 - OPTICS
Information
Patent Grant
Bidirectional amplifier
Patent number
10,027,414
Issue date
Jul 17, 2018
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Regroup NxM optical cable
Patent number
9,835,802
Issue date
Dec 5, 2017
Lijie Qiao
G02 - OPTICS
Information
Patent Grant
Switchable-gain optical amplifier
Patent number
9,680,283
Issue date
Jun 13, 2017
Oplink Communications, LLC
Chiachi Wang
G02 - OPTICS
Information
Patent Grant
Lessening variations of spectral characteristic of an optical device
Patent number
9,680,284
Issue date
Jun 13, 2017
Lijie Qiao
G02 - OPTICS
Information
Patent Grant
Reducing thermal dependence of amplifier gain
Patent number
9,184,554
Issue date
Nov 10, 2015
Lijie Qiao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical amplifier
Patent number
9,042,007
Issue date
May 26, 2015
Oplink Communications, Inc.
Lijie Qiao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
In-service optical dispersion determining system and method
Patent number
8,412,046
Issue date
Apr 2, 2013
BTI Systems Inc.
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifier and a method of light amplification
Patent number
8,363,311
Issue date
Jan 29, 2013
Lijie Qiao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
In-service optical dispersion determining system and method
Patent number
7,889,995
Issue date
Feb 15, 2011
BTI Systems Inc.
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Arrangement, system, and method for accurate power measurements usi...
Patent number
7,457,032
Issue date
Nov 25, 2008
BTI Photonic Systems Inc.
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for amplified spontaneous emission corrected a...
Patent number
7,405,870
Issue date
Jul 29, 2008
BTI Photonic Systems Inc.
Lijie Qiao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical signal amplifier and method
Patent number
7,324,268
Issue date
Jan 29, 2008
BTI Photonic Systems Inc.
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
VARIABLE OPTICAL FILTER
Publication number
20210041760
Publication date
Feb 11, 2021
Lijie Qiao
G02 - OPTICS
Information
Patent Application
Optical Amplifier Using a Single Input Pump Laser and Having a Swit...
Publication number
20200295526
Publication date
Sep 17, 2020
AOC Technologies (Wuhan) Co., Ltd.
Jiyu Peng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND DEVICE FOR CHROMATIC DISPERSION COMPENSATION
Publication number
20190349092
Publication date
Nov 14, 2019
Lijie QIAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ADD DROP STRUCTURE
Publication number
20190349111
Publication date
Nov 14, 2019
Alan SOLHEIM
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE HAVING A SATURABLE ABSORBER FOR FILTERING
Publication number
20180292606
Publication date
Oct 11, 2018
Lijie Qiao
G02 - OPTICS
Information
Patent Application
REGROUP OPTICAL CABLE
Publication number
20180052294
Publication date
Feb 22, 2018
Lijie QIAO
G02 - OPTICS
Information
Patent Application
OPTICAL AMPLIFIER
Publication number
20170294756
Publication date
Oct 12, 2017
Lijie QIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL AMPLIFIER
Publication number
20170294758
Publication date
Oct 12, 2017
Lijie QIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL AMPLIFIER
Publication number
20170294759
Publication date
Oct 12, 2017
Lijie QIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SWITCHABLE-GAIN OPTICAL AMPLIFIER
Publication number
20170279243
Publication date
Sep 28, 2017
Oplink Communications, LLC
Chiachi WANG
G02 - OPTICS
Information
Patent Application
BIDIRECTIONAL AMPLIFIER
Publication number
20170272159
Publication date
Sep 21, 2017
Lijie QIAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LESSENING VARIATIONS OF SPECTRAL CHARACTERISTIC OF AN OPTICAL DEVICE
Publication number
20160064890
Publication date
Mar 3, 2016
Lijie QIAO
G02 - OPTICS
Information
Patent Application
Switchable-Gain Optical Amplifier
Publication number
20150180196
Publication date
Jun 25, 2015
OPLINK COMMUNICATIONS, INC.
Chiachi Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
REDUCING THERMAL DEPENDENCE OF AMPLIFIER GAIN
Publication number
20150062692
Publication date
Mar 5, 2015
Lijie QIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
IN-SERVICE OPTICAL DISPERSION DETERMINING SYSTEM AND METHOD
Publication number
20120093516
Publication date
Apr 19, 2012
BTI SYSTEMS, INC.
Lijie QIAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL AMPLIFIER AND A METHOD OF LIGHT AMPLIFICATION
Publication number
20100245986
Publication date
Sep 30, 2010
Lijie QIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
In-service optical dispersion determining system and method
Publication number
20090060523
Publication date
Mar 5, 2009
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and Apparatus for Dynamic Polarization Mode Dispersion Compe...
Publication number
20080205814
Publication date
Aug 28, 2008
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for amplified spontaneous emission corrected a...
Publication number
20070297044
Publication date
Dec 27, 2007
BTI Photonic Systems Inc.
Lijie Qiao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Arrangement, system, and method for accurate power measurements usi...
Publication number
20070065147
Publication date
Mar 22, 2007
BTI Photonic Systems Inc.
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal amplifier and method
Publication number
20050111078
Publication date
May 26, 2005
Lijie Qiao
H04 - ELECTRIC COMMUNICATION TECHNIQUE