Paul Liu
16Patents
5h-index
9Co-inventors
59Inventor score
Filing activity: Apr 3, 1991 → Sep 14, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5152170A | Universal fuel measuring device | Physics | 18 | Expired |
| US7783178B2 | Image acquiring and transforming apparatus | Physics | 11 | Active |
| US5524487A | Level measuring device with an armless float | Physics | 8 | Expired |
| US5259245A | Fluid level measuring device with armless float | Physics | 6 | Expired |
| US5105150A | Wide-band programmable tachometer and speedometer/odometer apparatus | Physics | 6 | Expired |
| US9031861B1 | Measuring content item effectiveness | Physics | 3 | Active |
| US5295172A | Engine life counter | Physics | 2 | Expired |
| US10887038B2 | GNSS-based multi-modal clock correction | Electricity | 2 | Active |
| US6977424B1 | Electrically pumped semiconductor active region with a backward diode, for enhancing optical signals | Electricity | 2 | Expired |
| US5714929A | Microprocessor-controlled speedometer/odometer | Physics | 2 | Expired |
| US5443551A | Wiper actuating mechanism for an oil-pressure gauge | Physics | 1 | Expired |
| US5475724A | Speedometer/odometer apparatus | Physics | 1 | Expired |
| US5955676A | Connecting arm having a clamping end for use in bourdon gauges | Physics | 0 | Expired |
| US12254700B2 | Method and systems for detection accuracy ranking and vehicle instructions | Physics | 0 | Active |
| US6304072A | Pointer resetting mechanism for a magnet disc operated gauge | Physics | 0 | Expired |
| US12296903B2 | Wind and transmission delay management for connected vehicles | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.