John Sidney Stewart
52Patents
19h-index
22Co-inventors
84Inventor score
Filing activity: Sep 2, 1975 → Aug 27, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6490007B1 | Adaptive channel equalizer | Electricity | 106 | Expired |
| US5671253A | Apparatus for demodulating and decoding video signals encoded in different formats | Electricity | 105 | Expired |
| US7102692B1 | Digital and analog television signal digitization and processing device | Electricity | 103 | Expired |
| US5930309A | Receiver signal processing system for cap signals | Electricity | 69 | Expired |
| US5666170A | Apparatus for decoding video signals encoded in different formats | Electricity | 58 | Expired |
| US5610983A | Apparatus for detecting a synchronization component in a satellite transmission system receiver | Electricity | 55 | Expired |
| US7117520B2 | System and method for voice/data transmission over cable networks | Electricity | 55 | Expired |
| US5497401A | Branch metric computer for a Viterbi decoder of a punctured and pragmatic trellis code convolutional decoder suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data | Electricity | 47 | Expired |
| US5717471A | Apparatus for demodulating and decoding satellite, terrestrial and cable transmitted digital television data | Electricity | 38 | Expired |
| US5946052A | System for acquiring and processing video data and program guides transmitted in different coding formats | Electricity | 35 | Expired |
| US5739874A | Tuning system for a digital satellite receiver with fine tuning provisions | Electricity | 33 | Expired |
| US5831515A | Electronic siren apparatus including an integrated handheld microphone and control handle | Physics | 31 | Expired |
| US5007421A | Breathing apparatus | Human Necessities | 29 | Expired |
| US4074737A | Wood planer cutterhead design for reduced noise level | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5898900A | Saw filter for a tuner of a digital satellite receiver | Electricity | 26 | Expired |
| US6431393B1 | Storage device with closure | Performing Operations; Transporting | 25 | Expired |
| US6275554A | Digital symbol timing recovery network | Electricity | 24 | Expired |
| US6366326B1 | System for acquiring, processing, and storing video data and program guides transmitted in different coding formats | Electricity | 21 | Expired |
| US5738156A | Removable cutting blades for a helical cutterhead | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4232580A | Circular saw blade | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6892897B2 | Collapsible storage device with movable closure element | Performing Operations; Transporting | 17 | Expired |
| US5563915A | Data deinterleaver in a digital television signal decoding system | Electricity | 17 | Expired |
| US6707861B1 | Demodulator for an HDTV receiver | Electricity | 16 | Expired |
| US5946045A | System for forming program guides and video data for storage and transmission in different coding formats | Electricity | 16 | Expired |
| US5740203A | Trellis demapper of a convolutional decoder for decoding pragmatic trellis codes suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data | Electricity | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.