U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Examiner: Nguyen, Dung (Michael) T.


Primary examiner statistics: 61 patents; average approval time: 1169 days
Assistant examiner statistics: 60 patents; average approval time: 1129 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7386018 Mode-locked laser and optical multi-carrier source using same
7386021 Light source
7376162 Method for stabilizing optical output of semiconductor laser
7372877 Fiber laser unit
7372878 Method and system for preventing excessive energy build-up in a l...
7369593 Semiconductor laser and method for manufacturing the same
7369584 Laser projection display
7369742 Non-imaging optical corner turner
7369587 Temperature control for coarse wavelength division multiplexing s...
7369582 High-power fiber laser amplifier and fiber laser oscillator
7366221 Laser apparatus and method of driving diffraction grating
7362783 Optical frequency mixing
7359420 Manufacturable vertical extended cavity surface emitting laser ar...
7356054 Light emitting device
7352787 Vertical cavity surface emitting laser diode and process for prod...
7352790 Method and apparatus for producing an eye-safe laser
7346086 Apparatus for monitoring the operating status of a laser
7346090 Vertical cavity surface emitting laser including trench and proto...
7339963 High speed data channel including a CMOS VCSEL driver and a high ...
7339969 Refined mirror structure for reducing the effect of feedback on a...
7327771 WDM-PON system with optical wavelength alignment function
7324569 Method and system for spectral stitching of tunable semiconductor...
7319709 Creating photon atoms
7317744 Optical head apparatus
7317741 Amplified spontaneous emission ducts
7317743 Temperature and jitter compensation controller circuit and method...
7317746 Method and device for passive alignment
7308011 Versatile method and system for single mode VCSELs
7301972 Apparatus, system, and method for frequency stabilized mode-locke...
7301980 Halogen gas discharge laser electrodes
7298766 Laser diode driver and driving method for controlling auto laser ...
7298771 Use of volume Bragg gratings for the conditioning of laser emissi...
7295591 Long-pulse pulse power system for gas discharge laser
7295592 Light source device and optical communication module employing th...
7295585 Method for noise cancellation by spectral flattening of laser out...
7292614 Organic laser and liquid crystal display
7286583 Semiconductor laser devices and methods
7286584 Carrier bonded 1550 nm VCSEL with InP substrate removal
7286585 Low temperature grown layers with migration enhanced epitaxy adja...
7283575 Narrow band electric discharge gas laser having improved beam dir...

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
7184452 Laser driver circuit for reducing electromagnetic interference
7180922 Safety system for focused energy applications
7167495 Use of GaAs extended barrier layers between active regions contai...
7151787 Backscatter absorption gas imaging systems and light sources ther...
7142575 Semiconductor laser element and optical data recording device
7142568 High-power blue and green light laser generation from high-powere...
7139295 Tunable wavelength locker, tunable wavelength spectrum monitor, a...
7136404 Laser scanning device
7136403 Crystal mounting in solid state laser systems
7127141 Non-imaging optical corner turner
7095770 Vertical cavity surface emitting laser including indium, antimony...
7085304 Diode-pumped solid state disk laser and method for producing unif...
7075960 Semiconductor laser apparatus and production method thereof
7068696 Vertical-cavity surface emitting laser diode and its manufacturin...
7065118 Semiconductor laser
7058112 Indium free vertical cavity surface emitting laser
7058110 Excited state atomic line filters
7054341 Methods and systems for laser processing a workpiece and methods ...
7046714 Method and apparatus for Raman ring resonator based laser/wavelen...
7046712 Laser resistant to internal ir-induced damage
7042920 Phased array gratings and tunable lasers using same
7042919 Excitation module, laser oscillator, and laser amplifier
7039079 Pulsed COlaser including an optical damage resistant electro-opti...
7027472 Fixed wavelength single longitudinal mode coolerless external cav...
7012945 Multi DFB laser diode
7006539 Nonlinear optical crystal
7006547 Very high repetition rate narrow band gas discharge laser system
7006549 Apparatus for reducing spacing of beams delivered by stacked diod...
6999482 Wavelength tunable laser with diffractive optical element
6987783 Three-level air-clad rare-earth doped fiber laser/amplifier
6983001 Laser with heat transfer system
6983002 Semiconductor laser device and optical pickup using the same
6973112 Passive gas flow management and filtration device for use in an e...
6967983 Semiconductor laser apparatus
6967984 External cavity laser
6965623 Semiconductor laser device and method of manufacturing the same
6954477 Semiconductor laser device and fabrication method thereof
6954476 Sampled grating distributed Bragg reflector laser controller
6947459 Organic vertical cavity laser and imaging system
6940889 Optical pulse source for long haul optical communication systems
 
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