Thomas J. Walczak
47Patents
22h-index
59Co-inventors
88Inventor score
Filing activity: Dec 17, 1984 → May 21, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6009336A | Hand-held radiotelephone having a detachable display | Electricity | 463 | Expired |
| US4523155A | Temperature compensated automatic output control circuitry for RF signal power amplifiers with wide dynamic range | Electricity | 141 | Expired |
| US5612231A | Method of fabricating an electro-optic integrated circuit having light emitting diodes | Emerging Cross-Sectional Technologies | 110 | Expired |
| US6334063A | Electronic device with auto-positioning virtual image display and associated method | Electricity | 76 | Expired |
| US5193223A | Power control circuitry for a TDMA radio frequency transmitter | Electricity | 73 | Expired |
| US5818348A | Method and radio frequency identification system for a novel protocol for reliable communication | Physics | 71 | Expired |
| US5036532A | Portable telephone with power source/mode change during calls | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6115620A | Mode-switchable portable communication device and method therefor | Electricity | 56 | Expired |
| US6758303B2 | Electronic device having a multi-mode acoustic system and method for radiating sound waves | Electricity | 51 | Expired |
| US5187809A | Dual mode automatic gain control | Electricity | 50 | Expired |
| US6118567A | Efficient encoding and detection method and device for binary intensity modulated optical data signals | Electricity | 44 | Expired |
| US5020076A | Hybrid modulation apparatus | Electricity | 41 | Expired |
| US6406342B1 | Control handle for a marine tiller | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US5777856A | Integrated shielding and mechanical support | Electricity | 35 | Expired |
| US5163159A | Dual mode automatic frequency control | Electricity | 32 | Expired |
| US7267592B1 | Latching system for an outboard motor cowl | Performing Operations; Transporting | 32 | Active |
| US6289853A | Water injection system for an internal combustion engine of a marine propulsion system | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5157693A | Digital modulation circuit | Electricity | 28 | Expired |
| US6669517B1 | Multiple part cowl structure for an outboard motor | Performing Operations; Transporting | 27 | Expired |
| US6663450B1 | Integral cowl latching mechanism for an outboard motor | Performing Operations; Transporting | 26 | Expired |
| US4972432A | Multiplexed synchronous/asynchronous data bus | Performing Operations; Transporting | 25 | Expired |
| US6682379B1 | Cowl latching system which simplifies the cowl removing process | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5907418A | Apparatus for infrared channel and method therefor | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5621763A | Apparatus and method for generating a transition between the on and off states of a radio frequency transmitter | Electricity | 19 | Expired |
| US6991500B1 | Cowl latching mechanism for an outboard motor | Performing Operations; Transporting | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.