Qing Li
20Patents
5h-index
44Co-inventors
69Inventor score
Filing activity: Oct 24, 2001 → Mar 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6940461B2 | Remote access device having multiple inductive coil antenna | Electricity | 59 | Expired |
| US6563474B2 | Remote access device having multiple inductive coil antenna | Electricity | 31 | Expired |
| US6668636B2 | System and method for tire pressure monitoring including tire location recognition | Electricity | 22 | Expired |
| US8009765B2 | Digital polar transmitter | Electricity | 18 | Active |
| US7869543B2 | System and method for synchronization, power control, calibration, and modulation in communication transmitters | Electricity | 6 | Active |
| US7564417B2 | Antenna device having a non-electrical engagement during pre-lock | Electricity | 3 | Active |
| US10418941B2 | Integrated circuit crystal oscillator having digital automatic gain control comprising oscillation detection and amplitude control loops | Electricity | 2 | Active |
| US8233852B2 | Calibration techniques for non-linear devices | Electricity | 2 | Active |
| US8908640B2 | Method, apparatus and system for handover between multi-carrier cells | Electricity | 2 | Active |
| US11142431B2 | Stabilizing device of elevator car and a control method thereof, an elevator system | Performing Operations; Transporting | 1 | Active |
| US11043891B1 | Controller for an AC/DC or a DC/AC multi-phase power converter | Electricity | 1 | Active |
| US7889810B2 | Method and apparatus for a nonlinear feedback control system | Electricity | 1 | Active |
| US11492232B2 | Elevator balance weight rescue device, an elevator and an elevator balance weight rescue method | Performing Operations; Transporting | 0 | Active |
| US8208583B2 | System and method for synchronization, power control, calibration, and modulation in communication transmitters | Electricity | 0 | Active |
| US11358833B2 | Guide device and elevator system | Performing Operations; Transporting | 0 | Active |
| US9014869B2 | Communication converter for connecting an automation device to a computer and method for controlling the communication converter | Physics | 0 | Active |
| US9515426B2 | Electrical connector and communication device | Electricity | 0 | Active |
| US12288520B2 | Method and system for CMOS-like logic gates using TFTs and applications therefor | Electricity | 0 | Active |
| US11124387B2 | End-fastening apparatus for lifting rope and elevator system using thereof | Performing Operations; Transporting | 0 | Active |
| US11843322B2 | Power converter apparatus and a method of modulating thereof | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.