James E. West
35Patents
14h-index
49Co-inventors
81Inventor score
Filing activity: Mar 21, 1975 → Jun 11, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4802227A | Noise reduction processing arrangement for microphone arrays | Electricity | 102 | Expired |
| US4675906A | Second order toroidal microphone | Electricity | 61 | Expired |
| US4524247A | Integrated electroacoustic transducer with built-in bias | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5388163A | Electret transducer array and fabrication technique | Electricity | 52 | Expired |
| US4008376A | Loudspeaking teleconferencing circuit | Electricity | 48 | Expired |
| US5848172A | Directional microphone | Electricity | 41 | Expired |
| US4742548A | Unidirectional second order gradient microphone | Electricity | 33 | Expired |
| US4429193A | Electret transducer with variable effective air gap | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5586191A | Adjustable filter for differential microphones | Electricity | 25 | Expired |
| US6751322B1 | Acoustic modeling system and method using pre-computed data structures for beam tracing and path generation | Electricity | 24 | Expired |
| US5303307A | Adjustable filter for differential microphones | Electricity | 22 | Expired |
| US4965775A | Image derived directional microphones | Electricity | 19 | Expired |
| US7030905B2 | Real-time method and apparatus for tracking a moving object experiencing a change in direction | Human Necessities | 17 | Expired |
| US5748757A | Collapsible image derived differential microphone | Electricity | 14 | Expired |
| US4434327A | Electret transducer with variable actual air gap | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4429192A | Electret transducer with variable electret foil thickness | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8946974B2 | Piezoelectric polymer fibers | Emerging Cross-Sectional Technologies | 8 | Active |
| US5093570A | Discriminating electret radioactivity detector system and method for measuring radon concentration | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4598590A | Electret transducer for blood pressure measurement | Human Necessities | 7 | Expired |
| US4429191A | Electret transducer with variably charged electret foil | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9362481B2 | Continuous piezoelectric film including polar polymer fibers | Electricity | 5 | Active |
| US5838786A | Intelligent acoustic systems peripheral | Electricity | 4 | Expired |
| US4612145A | Method for producing electret-containing devices | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4429189A | Electret transducer with a selectively metalized backplate | Emerging Cross-Sectional Technologies | 4 | Expired |
| US10765399B2 | Programmable electronic stethoscope devices, algorithms, systems, and methods | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.