Yi Liu
8Patents
7h-index
14Co-inventors
52Inventor score
Filing activity: Apr 23, 1993 → Oct 30, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6330831A | Stream-cleaned differential reflection coefficient sensor | Physics | 63 | Expired |
| US6349599B1 | Layered ultrasonic coupler | Physics | 52 | Expired |
| US5962790A | Ultrasonic path bundle and systems | Physics | 46 | Expired |
| US6874364B1 | System for monitoring mechanical waves from a moving machine | Physics | 40 | Expired |
| US6343511B1 | Ultrasonic path bundle and systems | Physics | 39 | Expired |
| US5456114A | Elastic wave sensing system | Physics | 39 | Expired |
| US6557987B1 | Co-extruded tubing for an off-axis ink delivery system | Performing Operations; Transporting | 9 | Expired |
| US6826965B1 | Anti-parallel tag flow measurement system | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.