William C. Black
51Patents
17h-index
32Co-inventors
84Inventor score
Filing activity: Jan 10, 1973 → Jul 3, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6542000B1 | Nonvolatile programmable logic devices | Electricity | 142 | Expired |
| US5831426A | Magnetic current sensor | Physics | 109 | Expired |
| US5442289A | Biomagnetometer having flexible sensor | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5982309A | Parallel-to-serial CMOS data converter with a selectable bit width mode D flip-flop M matrix | Electricity | 67 | Expired |
| US5269325A | Analysis of biological signals using data from arrays of sensors | Electricity | 67 | Expired |
| US4977896A | Analysis of biological signals using data from arrays of sensors | Human Necessities | 59 | Expired |
| US5158932A | Superconducting biomagnetometer with inductively coupled pickup coil | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5444372A | Magnetometer and method of measuring a magnetic field | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5061680A | Superconducting biomagnetometer with remote pickup coil | Emerging Cross-Sectional Technologies | 48 | Expired |
| US6317359A | Non-volatile magnetic circuit | Physics | 41 | Expired |
| US6343032B1 | Non-volatile spin dependent tunnel junction circuit | Physics | 39 | Expired |
| US6693826B1 | Magnetic memory sensing method and apparatus | Physics | 36 | Expired |
| US7133648B1 | Bidirectional multi-gigabit transceiver | Electricity | 24 | Expired |
| US4014743A | Method for continuous preparation of cooked thinned starch pastes | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6252390A | Magnetically coupled signal isolator | Physics | 20 | Expired |
| US6870390B1 | Tx line driver with common mode idle state and selectable slew rates | Electricity | 18 | Expired |
| US6975132B2 | DAC based driver with selectable pre-emphasis signal levels | Electricity | 18 | Expired |
| US7376767B1 | Distributed buffering system having programmable interconnecting logic and applications thereof | Electricity | 15 | Expired |
| US6956442B2 | Ring oscillator with peaking stages | Electricity | 15 | Expired |
| US6976102B1 | Integrated circuit with auto negotiation | Electricity | 15 | Expired |
| US4633226A | Multiple channel analog-to-digital converters | Electricity | 14 | Expired |
| US4864274A | Remote reading thermostat | Physics | 14 | Expired |
| US7406118B2 | Programmable logic device including programmable multi-gigabit transceivers | Electricity | 13 | Expired |
| US4353105A | CMOS Latch-up protection circuit | Electricity | 12 | Expired |
| US7480347B2 | Analog front-end having built-in equalization and applications thereof | Electricity | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.