Hexing Liu
13Patents
1h-index
54Co-inventors
53Inventor score
Filing activity: Oct 9, 2004 → Mar 31, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7474895B1 | Frequency reuse in wireless communication networks | Electricity | 15 | Active |
| US8064425B2 | Method for assigning frequency spectrum bandwidth of an OFDM and OFDMA coexistence system | Electricity | 1 | Active |
| US10051099B2 | Method for switching working mode of headphone and headphone | Electricity | 1 | Active |
| US11773653B2 | Double-layer coiled tubing double-gradient drilling system | Fixed Constructions | 1 | Active |
| US10484524B2 | Method for switching working mode of headphone and headphone | Electricity | 0 | Active |
| US10649522B2 | Method, apparatus and system for controlling smart device based on headphone | Electricity | 0 | Active |
| US10836947B2 | Water-based drilling fluids for deepwater drilling and use thereof | Chemistry; Metallurgy | 0 | Active |
| US11746640B2 | Solid fluidization tubular separator for marine natural gas hydrate | Fixed Constructions | 0 | Active |
| US11199050B2 | Combined crushing super-variable-diameter drill bit for natural gas hydrate exploitation | Fixed Constructions | 0 | Active |
| US10470673B2 | Headphone with biological feature detection function, interaction system and biological feature detection method | Electricity | 0 | Active |
| US10641049B2 | Riser stub for acoustic resonance decomposition of hydrate in deepwater drilling | Fixed Constructions | 0 | Active |
| US11603729B2 | Single-tube double-wellhead drilling and production apparatus | Fixed Constructions | 0 | Active |
| US11193333B2 | Automatic jet breaking tool for solid fluidization exploitation of natural gas hydrate | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.