James E. Lenz
18Patents
10h-index
24Co-inventors
72Inventor score
Filing activity: Dec 27, 1982 → Jan 30, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5187475A | Apparatus for determining the position of an object | Physics | 172 | Expired |
| US8738244B2 | Agricultural machine having a system for automatic setting of a working parameter, and associated method | Human Necessities | 94 | Active |
| US6445171B2 | Closed-loop magnetoresistive current sensor system having active offset nulling | Physics | 76 | Expired |
| US6566856B2 | Closed-loop magnetoresistive current sensor system having active offset nulling | Physics | 75 | Expired |
| US4953002A | Semiconductor device housing with magnetic field protection | Electricity | 56 | Expired |
| US4857727A | Optically powered remote sensors with timing discrimination | Physics | 26 | Expired |
| US6860023B2 | Methods and apparatus for automatic magnetic compensation | Physics | 23 | Expired |
| US6014022A | Proximity sensor circuit with frequency changing capability having a plurality of sensors and a multiplexer with a single filter | Physics | 15 | Expired |
| US4600883A | Apparatus and method for determining the range and bearing in a plane of an object characterized by an electric or magnetic dipole | Physics | 15 | Expired |
| US4634977A | High accuracy mapping of magnetic fields with a fiber optic interferometer | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4742300A | High accuracy mapping of magnetic fields with a fiber optic interferometer | Physics | 10 | Expired |
| US6025711A | Sensor circuit with diagnostic capability | Physics | 9 | Expired |
| US5691639A | Proximity sensor circuit with frequency changing capability | Physics | 6 | Expired |
| US6791474B2 | Magnetic checkpoint | Physics | 5 | Expired |
| US5642455A | Magnetic optical fiber skein | Physics | 4 | Expired |
| US7280937B1 | System and method for detecting an axial position of a shaft | Physics | 3 | Expired |
| US8058867B2 | System for determining the position of a movable member | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US5620753A | Method of forming an optical fiber | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.