Gregory Um
22Patents
10h-index
13Co-inventors
72Inventor score
Filing activity: Jun 2, 1989 → Jun 29, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5126836A | Actuated mirror optical intensity modulation | Electricity | 90 | Expired |
| US5185660A | Actuated mirror optical intensity modulation | Electricity | 80 | Expired |
| US5085497A | Method for fabricating mirror array for optical projection system | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5150205A | Actuated mirror optical intensity modulation | Electricity | 57 | Expired |
| US5260798A | Pixel intensity modulator | Physics | 53 | Expired |
| US5159225A | Piezoelectric actuator | Electricity | 49 | Expired |
| US5481396A | Thin film actuated mirror array | Performing Operations; Transporting | 40 | Expired |
| US5175465A | Piezoelectric and electrostrictive actuators | Electricity | 36 | Expired |
| US5245369A | Scene projector | Electricity | 28 | Expired |
| US5035475A | Unique modulation television | Electricity | 14 | Expired |
| US4979789A | Continuous source scene projector | Electricity | 10 | Expired |
| US5032906A | Intensity calibration method for scene projector | Electricity | 8 | Expired |
| US5616982A | Piezoelectric actuator | Physics | 8 | Expired |
| US8344946B2 | Single frequency user ionosphere system and technique | Physics | 7 | Active |
| US5710657A | Monomorph thin film actuated mirror array | Performing Operations; Transporting | 6 | Expired |
| US5689380A | Thin film actuated mirror array for providing double tilt angle | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5589084A | Thin film actuated mirror array | Performing Operations; Transporting | 6 | Expired |
| US6429666B1 | Capacitive circuit array for fingerprint sensing | Physics | 5 | Expired |
| US6791522B2 | Triodic rectifier switch | Physics | 5 | Expired |
| US6694269B2 | Capacitive circuit array for fingerprint sensing | Physics | 4 | Expired |
| US10365375B2 | Method and apparatus for ionosphere depletion detection | Physics | 1 | Active |
| US6670649B2 | Triodic rectifier switch | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.