DC

David B. Chang

HA Hughes Aircraft: 60 patents #1 of 2,963Top 1%
OT Ojai Retinal Technology: 26 patents #2 of 3Top 70%
SI Southwest Research Institute: 4 patents #151 of 935Top 20%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
RTX (Raytheon): 2 patents #5,307 of 15,912Top 35%
📍 Tustin, CA: #5 of 1,327 inventorsTop 1%
🗺 California: #2,061 of 386,348 inventorsTop 1%
Overall (All Time): #13,417 of 4,157,543Top 1%
104
Patents All Time

Issued Patents All Time

Showing 26–50 of 104 patents

Patent #TitleCo-InventorsDate
9168174 Process for restoring responsiveness to medication in tissue of living organisms Jeffrey K. Luttrull, Benjamin W. L. Margolis 2015-10-27
8574276 Fiber optic brush for light delivery Zafirios Gourgouliatos 2013-11-05
8523925 Fiber optic phototherapy device Zafirios Gourgouliatos 2013-09-03
8337433 Time-reversed mirroring electro-magnetic acoustic treatment system Stephen A. Cerwin, Jane F. Emerson 2012-12-25
8206426 Light source and fiber optic brush for light delivery Zafirios Gourgouliatos 2012-06-26
7420195 Frequency-optimized detection of gun muzzle flashes Stephen A. Cerwin, Thomas C. Untermeyer, Thomas J. Warnagiris 2008-09-02
7378188 Storage device and method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel Ralph C. Struthers, Reza Toossi, Sion Ahdout, Lijuan Li, Robert Palomba 2008-05-27
7372031 System and method for sensitive photon detection Stephen A. Cerwin 2008-05-13
7122008 Blood pressure diagnostic aid James E. Drummond, Jane F. Emerson 2006-10-17
7114384 Acoustic adiabatic liquid quantity sensor Kenn S. Bates, Kenneth M. Kunz, Barton H. Rowlett 2006-10-03
6974415 Electromagnetic-acoustic imaging Stephen A. Cerwin, James E. Drummond, Jane F. Emerson, Stuart McNaughton 2005-12-13
6906003 Method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel Ralph C. Struthers, Reza Toossi, Sion Ahdout, Lijuan Li, Robert Palomba 2005-06-14
6849855 Method for marking and identifying objects coated with up-conversion material I-Fu Shih 2005-02-01
6535625 Magneto-acoustic imaging James E. Drummond, Jane F. Emerson 2003-03-18
6495819 Dual-interferometer method for measuring bending of materials Stephen A. Cerwin 2002-12-17
6463202 Optimization of curved waveguide design to reduce transmission losses Stephen A. Cerwin 2002-10-08
6166815 Constantly high sensitivity fiber optic interferometer sensor Victor Vali, I-Fu Shih 2000-12-26
5531116 Apparatus and method for phase tomographic determination of fluid currents Victor Vali, Donald H. Webb 1996-07-02
5469519 Optical waveguide image transmission system and method Victor Vali, I-Fu Shih 1995-11-21
5454047 Optical method and system for generating expansion coefficients for an image processing function I-Fu Shih 1995-09-26
5405680 Selective emissivity coatings for interior temperature reduction of an enclosure Slava A. Pollack, I-Fu Shih, Albert J. Jicha 1995-04-11
5361383 Optical fiber having internal partial mirrors and interferometer using same Victor Vali 1994-11-01
5361034 Apparatus for measuring the conductivity of a fluid Brian M. Pierce, Kenn S. Bates 1994-11-01
5345522 Reduced noise fiber optic towed array and method of using same Victor Vali, I-Fu Shih 1994-09-06
5311137 Liquid crystal electric field tester for circuit boards Slava A. Pollack, James E. Drummond, Michael F. Berg 1994-05-10