Hao Xin
22Patents
10h-index
32Co-inventors
71Inventor score
Filing activity: Feb 19, 2002 → Nov 25, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6812583B2 | Electrical generator with ferrofluid bearings | Electricity | 96 | Expired |
| US6768230B2 | Multiple magnet transducer | Electricity | 52 | Expired |
| US6809427B2 | Electrical generator with ferrofluid bearings | Electricity | 41 | Expired |
| US7288860B2 | Magnetic transducer with ferrofluid end bearings | Electricity | 37 | Expired |
| US6798090B2 | Electrical power generation by coupled magnets | Electricity | 34 | Expired |
| US7078697B2 | Thermally powered terahertz radiation source using photonic crystals | Electricity | 22 | Expired |
| US6812598B2 | Multiple magnet transducer with differential magnetic strengths | Electricity | 18 | Expired |
| US6861772B2 | Multiple magnet system with different magnet properties | Electricity | 14 | Expired |
| US7250835B2 | Waveguide band-stop filter | Electricity | 11 | Expired |
| US7145518B2 | Multiple-frequency common antenna | Electricity | 11 | Expired |
| US7257333B2 | Dynamic control of planck radiation in photonic crystals | Performing Operations; Transporting | 9 | Expired |
| US7068129B2 | Tunable waveguide filter | Electricity | 9 | Expired |
| USRE41626E1 | Multiple magnet transducer with differential magnetic strengths | General | 7 | Active |
| US11340342B2 | Automotive radar using 3D printed luneburg lens | Electricity | 3 | Active |
| US8854269B2 | Compact embedded antenna | Electricity | 2 | Active |
| US12206171B2 | Automobile radars based on gradient-index lens | Electricity | 0 | Active |
| US10431897B1 | Microwave gain medium with negative refractive index | Electricity | 0 | Active |
| US11303036B2 | Hollow light weight lens structure | Electricity | 0 | Active |
| US8871884B2 | Copolymer semiconductors comprising thiazolothiazole or benzobisthiazole, or benzobisoxazole electron acceptor subunits, and electron donor subunits, and their uses in transistors and solar cells | Emerging Cross-Sectional Technologies | 0 | Active |
| US8759811B2 | Particle encapsulated nanoswitch | Electricity | 0 | Active |
| US9970870B2 | Reconfigurable reflect-array to realize task-specific compressive sensing in screening applications | Physics | 0 | Active |
| US10903918B2 | Cognitive HF radio with tuned compact antenna | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.