He; Jian-Jun

Patent Applications and Registrations

Patent applications and USPTO patent grants for He; Jian-Jun.The latest application filed is for "optical sensor based on a broadband light source and cascaded waveguide filters".

Company Profile

0.19.20

He; Jian-Jun - Hangzhou N/A CN
He; Jian-Jun - Ottawa CA
He; Jian-Jun - US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical sensor based on a broadband light source and cascaded waveguide filters Grant 9,052,291 - He , et al. June 9, 2	2015-06-09
Optical Sensor Based On A Broadband Light Source And Cascaded Waveguide Filters App 20120298849 - He; Jian-Jun ; et al.	2012-11-29
Semiconductor Laser Based Intra-cavity Optical Micro-fluidic Biosensor App 20120194804 - He; Jian-Jun ; et al.	2012-08-02
Monolithically integrated multi-directional transceiver Grant 8,131,122 - Wang , et al. March 6, 2	2012-03-06
Wavelength switchable semiconductor laser using half-wave coupled active double-ring resonator Grant 7,738,527 - He June 15, 2	2010-06-15
Monolithically Integrated Multi-directional Transceiver App 20100021171 - Wang; Lei ; et al.	2010-01-28
Q-modulated semiconductor laser Grant 7,447,246 - He November 4, 2	2008-11-04
V-coupled-cavity semiconductor laser Grant 7,382,817 - He June 3, 2	2008-06-03
Wavelength Switchable Semiconductor Laser Using Half-wave Coupled Active Double-ring Resonator App 20080123701 - He; Jian-Jun	2008-05-29
V-coupled-cavity Semiconductor Laser App 20060251139 - He; Jian-Jun	2006-11-09
Q-modulated Semiconductor Laser With Electro-absorptive Grating Structures App 20060104321 - He; Jian-Jun	2006-05-18
Q-modulated Semiconductor Laser App 20060088066 - He; Jian-Jun	2006-04-27
Optical dynamic gain amplifier Grant 7,019,893 - Koteles , et al. March 28, 2	2006-03-28
Wavelength Switchable Semiconductor Laser App 20050249256 - He, Jian-Jun	2005-11-10
Dual-wavelength Semiconductor Laser App 20050243882 - He, Jian-Jun ; et al.	2005-11-03
Bidirectional multiplexer and demultiplexer based on a single echelle waveguide grating Grant 6,959,129 - He , et al. October 25, 2	2005-10-25
Single-mode Semiconductor Laser With Integrated Optical Waveguide Filter App 20050226283 - He, Jian-Jun	2005-10-13
Resolution enhanced optical spectrometer having a fixed number of photodetector elements Grant 6,904,205 - Berolo , et al. June 7, 2	2005-06-07
Resolution enhanced optical spectrometer having a fixed number of photodetector elements App 20040223696 - Berolo, Orazio ; et al.	2004-11-11
Integrated optical interleaver/de-interleaver Grant 6,768,841 - He July 27, 2	2004-07-27
Resolution enhanced optical spectrometer having a fixed number of photodetector elements Grant 6,753,958 - Berolo , et al. June 22, 2	2004-06-22
Digital optical switch Grant 6,701,034 - He , et al. March 2, 2	2004-03-02
Polarization independent waveguide structure Grant 6,654,533 - Koteles , et al. November 25, 2	2003-11-25
Multiple band optical multiplexer and demultiplexer Grant 6,650,809 - He , et al. November 18, 2	2003-11-18
Resolution enhanced optical spectrometer having a fixed number of photodetector elements App 20020176171 - Berolo, Orazio ; et al.	2002-11-28
Variable optical attenuator using waveguide modification App 20020136525 - He, Jian-Jun	2002-09-26
Multiple band optical multiplexer and demultiplexer App 20020131685 - He, Jian-Jun ; et al.	2002-09-19
Integrated optical interleaver/de-interleaver App 20020131708 - He, Jian-Jun	2002-09-19
Optical dynamic gain amplifier App 20020109908 - Koteles, Emil S. ; et al.	2002-08-15
Optical grating based multi-input demultiplexer for multiple sets of interleaved wavelength channels App 20020081062 - He, Jian-Jun	2002-06-27
Bidirectional multiplexer and demultiplexer based on a single echelle waveguide grating App 20020081061 - He, Jian-Jun ; et al.	2002-06-27
Digital optical switch App 20020061155 - He, Jian-Jun ; et al.	2002-05-23
Waveguide structure having enhanced coupling with optical fibers App 20020009264 - Koteles, Emil S. ; et al.	2002-01-24
Wavelength stabilized planar waveguide optical devices incorporating a dispersive element Grant 6,339,662 - Koteles , et al. January 15, 2	2002-01-15
Planar waveguide grating device and method having a passband with a flat-top and sharp-transitions Grant 6,298,186 - He October 2, 2	2001-10-02
Athermal waveguide grating based device having a temperature compensator in the slab waveguide region Grant 6,169,838 - He , et al. January 2, 2	2001-01-02
Optical grating-based device having a slab waveguide polarization compensating region Grant 5,937,113 - He , et al. August 10, 1	1999-08-10
Fabrication of quantum well polarization independent active devices Grant 5,757,023 - Koteles , et al. May 26, 1	1998-05-26

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