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 76–100 of 104 patents

Patent #TitleCo-InventorsDate
5117676 Leak detector for natural gas pipelines 1992-06-02
5112121 Display system for multiviewer training simulators Norton L. Moise, I-Fu Shih 1992-05-12
5100230 True ground speed sensor Patrick C. Brownrigg, Victor Vali 1992-03-31
5094758 Desalinization system and method 1992-03-10
5086972 Enhanced electrostatic paint deposition method and apparatus James E. Drummond 1992-02-11
5077482 Liquid gauge having an optical fiber with flexible membrane enclosure Victor Vali, Patrick C. Brownrigg 1991-12-31
5076662 Electro-optical IFS finder I-Fu Shih, Norton L. Moise, James E. Drummond 1991-12-31
5072188 Apparatus for measuring the conductivity of paint spray using an electromagnetic wave Brian M. Pierce, Kenn S. Bates 1991-12-10
5071209 Variable acuity non-linear projection system Norton L. Moise, I-Fu Shih 1991-12-10
5058420 Fiber optic liquid leak detector Victor Vali, Patrick C. Brownrigg 1991-10-22
5041726 Infrared holographic defect detector James E. Drummond 1991-08-20
5041735 Miniature infrared test target Slava A. Pollack, Kenn S. Bates, I-Fu Shih 1991-08-20
5033203 Curing oven using Wellsbach conversion James E. Drummond, Slava A. Pollack, I-Fu Shih 1991-07-23
5022040 Upconversion pumped lasers Slava A. Pollack 1991-06-04
5012499 .gamma.-ray detecting device using dislocation-free crystal Victor Vali 1991-04-30
5009502 System of holographic optical elements for testing laser range finders I-Fu Shih, James A. Arns, Gaylord E. Moss, Ronald T. Smith 1991-04-23
5005401 Noncontact on-line measurement of the viscosity of liquid paint Brian M. Pierce 1991-04-09
5004914 Fiber-optic interferometric chemical sensor Victor Vali, Patrick C. Brownrigg 1991-04-02
5003186 Stratospheric Welsbach seeding for reduction of global warming I-Fu Shih 1991-03-26
4987582 X-ray fluorescence imaging of elements Jackie R. Webster, Keith Pearson, Norton L. Moise, Victor Vali 1991-01-22
4986639 Eye protection device against broadband high intensity light Brian M. Pierce 1991-01-22
4929841 Dynamic infrared target 1990-05-29
4894623 Compact tunable RF generator using a current carrying diffraction grating 1990-01-16
4792683 Thermal technique for simultaneous testing of circuit board solder joints Michael F. Berg, James E. Drummond, Lee Mickelson 1988-12-20
4782494 Method of providing continuous lasing operation Slava A. Pollack 1988-11-01