Inventor · disambiguated record
David B. Chang
Also filed as: CHANG DAVID · CHANG DAVID B · CHANG DAVID BING JUE
105 granted patents·10 pending applications·2,598 citations·filing 1972–2021
99Inventor score
Files withHUGHES AIRCRAFT CO60OJAI RETINAL TECH LLC26MAGNETUS LLC4SOUTHWEST RES INST4CERWIN STEPHEN ANTHONY3
Top patents by PatentIndex Score
115 records- 0197US5345522AReduced noise fiber optic towed array and method of using sameHUGHES AIRCRAFT CO·Filed 1992·Granted Sep 6, 1994·257 cites·8 claims
- 0297US5117676ALeak detector for natural gas pipelinesHUGHES AIRCRAFT CO·Filed 1991·Granted Jun 2, 1992·110 cites·12 claims
- 0396US4727550ARadiation sourceCHANG DAVID B·Filed 1985·Granted Feb 23, 1988·193 cites·37 claims
- 0494US5233673AOutput steerable optical phased arrayHUGHES AIRCRAFT CO·Filed 1991·Granted Aug 3, 1993·147 cites·20 claims
- 0594US5223763AWind power generator and velocimeterHUGHES AIRCRAFT CO·Filed 1991·Granted Jun 29, 1993·90 cites·24 claims
- 0692US5112121ADisplay system for multiviewer training simulatorsCHANG DAVID B·Filed 1989·Granted May 12, 1992·97 cites·4 claims
- 0788US10299961B2System for neuroprotective therapy for glaucomaOJAI RETINAL TECH LLC·Filed 2018·Granted May 28, 2019·7 cites·9 claims
- 0888US10278865B2Process for neuroprotective therapy for glaucomaOJAI RETINAL TECH LLC·Filed 2018·Granted May 7, 2019·7 cites·13 claims
- 0988US5405680ASelective emissivity coatings for interior temperature reduction of an enclosureHUGHES AIRCRAFT CO·Filed 1994·Granted Apr 11, 1995·69 cites·18 claims
- 1087US5212583AAdaptive optics using the electrooptic effectHUGHES AIRCRAFT CO·Filed 1992·Granted May 18, 1993·87 cites·17 claims
- 1187US5155792ALow index of refraction optical fiber with tubular core and/or claddingHUGHES AIRCRAFT CO·Filed 1991·Granted Oct 13, 1992·72 cites·31 claims
- 1287US4792683AThermal technique for simultaneous testing of circuit board solder jointsHUGHES AIRCRAFT CO·Filed 1987·Granted Dec 20, 1988·81 cites·36 claims
- 1386US5251482ALow frequency acoustic fuel sensorHUGHES AIRCRAFT CO·Filed 1990·Granted Oct 12, 1993·57 cites·8 claims
- 1486US5179028AAntibody coated crystal chemical sensorHUGHES AIRCRAFT CO·Filed 1990·Granted Jan 12, 1993·69 cites·5 claims
- 1585US10194798B1Measuring RPE and choroid melanin levels with reflectometerOJAI RETINAL TECH LLC·Filed 2017·Granted Feb 5, 2019·6 cites·18 claims
- 1684US10357398B2System and process for treatment of myopiaOJAI RETINAL TECH LLC·Filed 2017·Granted Jul 23, 2019·4 cites·25 claims
- 1783US9962291B2System and process for neuroprotective therapy for glaucomaOJAI RETINAL TECH LLC·Filed 2016·Granted May 8, 2018·4 cites·11 claims
- 1883US5291032AFiber optic evanescent wave fuel gauge and leak detector using eccentric core fibersHUGHES AIRCRAFT CO·Filed 1993·Granted Mar 1, 1994·47 cites·13 claims
- 1983US5009502ASystem of holographic optical elements for testing laser range findersHUGHES AIRCRAFT CO·Filed 1989·Granted Apr 23, 1991·49 cites·10 claims
- 2083US4755673ASelective thermal radiatorsHUGHES AIRCRAFT CO·Filed 1986·Granted Jul 5, 1988·55 cites·19 claims
- 2181US10117777B2System for neuroprotective therapy for glaucomaOJAI RETINAL TECH LLC·Filed 2016·Granted Nov 6, 2018·3 cites·19 claims
- 2280US9381116B2Subthreshold micropulse laser prophylactic treatment for chronic progressive retinal diseasesOJAI RETINAL TECHNOLOGY LLC·Filed 2015·Granted Jul 5, 2016·4 cites·20 claims
- 2380US4773748ADynamically controlled mirror for reduction of projected image distortionHUGHES AIRCRAFT CO·Filed 1984·Granted Sep 27, 1988·38 cites·9 claims
- 2478US5164608APlural wavelength fiber optic liquid level sensor for multiple liquidsHUGHES AIRCRAFT CO·Filed 1991·Granted Nov 17, 1992·40 cites·10 claims
- 2578US5003186AStratospheric Welsbach seeding for reduction of global warmingHUGHES AIRCRAFT CO·Filed 1990·Granted Mar 26, 1991·36 cites·18 claims
- 2677US5289266ANoncontact, on-line determination of phosphate layer thickness and composition of a phosphate coated surfaceHUGHES AIRCRAFT CO·Filed 1992·Granted Feb 22, 1994·46 cites·4 claims
- 2776US10953241B2Process for providing protective therapy for biological tissues or fluidsOJAI RETINAL TECH LLC·Filed 2017·Granted Mar 23, 2021·3 cites·20 claims
- 2876US5022040AUpconversion pumped lasersHUGHES AIRCRAFT CO·Filed 1990·Granted Jun 4, 1991·35 cites·23 claims
- 2975US5071209AVariable acuity non-linear projection systemHUGHES AIRCRAFT CO·Filed 1990·Granted Dec 10, 1991·41 cites·14 claims
- 3075US3942975AMethod and apparatus for reducing matter to constituent elements and separating one of the elements from the other elementsBOEING CO·Filed 1972·Granted Mar 9, 1976·18 cites·28 claims
- 3174US6906003B2Method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogelENERNEXT LLC·Filed 2003·Granted Jun 14, 2005·20 cites·11 claims
- 3274US4782494AMethod of providing continuous lasing operationHUGHES AIRCRAFT CO·Filed 1986·Granted Nov 1, 1988·21 cites·9 claims
- 3373US5454047AOptical method and system for generating expansion coefficients for an image processing functionHUGHES AIRCRAFT CO·Filed 1994·Granted Sep 26, 1995·44 cites·13 claims
- 3473US5041726AInfrared holographic defect detectorHUGHES AIRCRAFT CO·Filed 1990·Granted Aug 20, 1991·35 cites·11 claims
- 3572US12377283B2System and process of utilizing microwave energy for treating biological tissueOJAI RETINAL TECH LLC·Filed 2021·Granted Aug 5, 2025·0 cites·12 claims
- 3672US5076662AElectro-optical ifs finderHUGHES AIRCRAFT CO·Filed 1989·Granted Dec 31, 1991·28 cites·8 claims
- 3771US10278863B2System and process for treatment of myopiaOJAI RETINAL TECH LLC·Filed 2017·Granted May 7, 2019·1 cites·30 claims
- 3871US9427602B2Pulsating electromagnetic and ultrasound therapy for stimulating targeted heat shock proteins and facilitating protein repairOJAI RETINAL TECH LLC·Filed 2015·Granted Aug 30, 2016·2 cites·16 claims
- 3971US6974415B2Electromagnetic-acoustic imagingMAGNETUS LLC·Filed 2003·Granted Dec 13, 2005·73 cites·23 claims
- 4071US4575180AIntrawaveguide fiber optic beamsplitter/couplerCHANG DAVID B·Filed 1983·Granted Mar 11, 1986·25 cites·29 claims
- 4170US7378188B2Storage device and method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogelENERNEXT LLC·Filed 2004·Granted May 27, 2008·12 cites·16 claims
- 4269US7372031B2System and method for sensitive photon detectionSOUTHWEST RES INST·Filed 2006·Granted May 13, 2008·5 cites·32 claims
- 4368US10285859B2System for performing retina photostimulationOJAI RETINAL TECH LLC·Filed 2016·Granted May 14, 2019·1 cites·33 claims
- 4468US5361383AOptical fiber having internal partial mirrors and interferometer using sameHUGHES AIRCRAFT CO·Filed 1991·Granted Nov 1, 1994·31 cites·10 claims
- 4568US5208766AAutomated evaluation of painted surface qualityHUGHES AIRCRAFT CO·Filed 1990·Granted May 4, 1993·29 cites·22 claims
- 4668US2021346714A1System and process of utilizing ultrasound energy for treating biological tissueOJAI RETINAL TECH LLC·Filed 2021·Application pending·0 cites
- 4767US5086972AEnhanced electrostatic paint deposition method and apparatusHUGHES AIRCRAFT CO·Filed 1990·Granted Feb 11, 1992·33 cites·17 claims
- 4866US5004914AFiber-optic interferometric chemical sensorHUGHES AIRCRAFT CO·Filed 1990·Granted Apr 2, 1991·23 cites·15 claims
- 4965US7420195B2Frequency-optimized detection of gun muzzle flashesSOUTHWEST RES INST·Filed 2005·Granted Sep 2, 2008·7 cites·6 claims
- 5065US5165242ARefrigerator or air conditioner based on a magnetic fluidHUGHES AIRCRAFT CO·Filed 1991·Granted Nov 24, 1992·24 cites·20 claims
Showing the top 50 of 115 patent records by PatentIndex Score.
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