Thomas J. Johnson
36Patents
12h-index
46Co-inventors
81Inventor score
Filing activity: Jan 20, 1976 → Mar 3, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6122529A | Simulcast with hierarchical cell structure overlay | Electricity | 144 | Expired |
| US6336042B1 | Reverse link antenna diversity in a wireless telephony system | Electricity | 133 | Expired |
| US6560441B1 | Low noise in-building distribution network for wireless signals | Electricity | 34 | Expired |
| US6748218B1 | Wireless communication methods and systems using multiple sectored cells | Electricity | 30 | Expired |
| US7528403B1 | Hybrid silicon-on-insulator waveguide devices | Physics | 29 | Active |
| US6971690B2 | Bumper system with “W” beam and energy absorber | Performing Operations; Transporting | 22 | Expired |
| US5164991A | Variable input amplified speaker with improved power input section | Electricity | 20 | Expired |
| US6683495B2 | Reduced architecture for multibranch feedforward power amplifier linearizers | Electricity | 17 | Expired |
| US7548854B2 | Architectural sound enhancement with pre-filtered masking sound | Electricity | 14 | Expired |
| US6164408A | Plenum mounted, flat panel masking loudspeaker system and method for mounting a masking loudspeaker in a ceiling plenum | Physics | 13 | Expired |
| US6734731B2 | Self-calibrated power amplifier linearizers | Electricity | 13 | Expired |
| US8716624B2 | Method for forming tubular beam with center leg | Performing Operations; Transporting | 12 | Active |
| US10623118B2 | Modular multi-channel RF calibration architecture for linearization | Electricity | 11 | Active |
| US4580846A | Wheel-cased bearing | Emerging Cross-Sectional Technologies | 11 | Expired |
| USD729118S1 | Sizing device assembly for clothing, fabrics, and garments | General | 11 | Active |
| US4427056A | Air actuated vehicle temperature control system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7017960B2 | Bumper beam having face with supported angled wall | Performing Operations; Transporting | 10 | Expired |
| US5251965A | Wheel assembly | Performing Operations; Transporting | 9 | Expired |
| US9527465B2 | Bumper reinforcement beam with varied bending moment | Emerging Cross-Sectional Technologies | 8 | Active |
| USD694151S1 | Sizing device for clothing, fabrics and garments | General | 8 | Active |
| US4489683A | Engine with crank mounted balancer for secondary shaking forces | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7100952B2 | Bumper beam having face with supported angled wall | Performing Operations; Transporting | 7 | Expired |
| US7077374B1 | Mounting apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7461874B2 | Selectively annealed bumper beam | Emerging Cross-Sectional Technologies | 5 | Active |
| US10618349B2 | Two piece rim and tire connected assembly | Performing Operations; Transporting | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.