Quan Jiang
20Patents
3h-index
74Co-inventors
66Inventor score
Filing activity: Oct 23, 1998 → Jun 16, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6879124B1 | Method to detect the true zero-crossing points of the phase back EMF for sensorless control of brushless DC motors | Electricity | 16 | Expired |
| USD991160S1 | Rechargeable battery | General | 9 | Active |
| US6289181A | Camera | Physics | 3 | Expired |
| US11699816B1 | Rechargeable battery | Emerging Cross-Sectional Technologies | 2 | Active |
| US9202512B2 | Data storage device | Physics | 2 | Active |
| US8946952B2 | Low profile spindle motor | Electricity | 2 | Active |
| US12091940B2 | Device for grinding side surface of inner wall of rock borehole | Fixed Constructions | 1 | Active |
| US8575797B2 | Low profile permanent magnet synchronous motor with segment structure | Electricity | 0 | Active |
| US11982664B1 | True three-dimensional dynamic and static combination shear device under high- temperature, high pore pressure and chemical coupling and method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
| US11892577B2 | Multi-scale photoacoustic detection method of geological structure around borehole and related devices | Physics | 0 | Active |
| US8610392B2 | Runout measurement for devices having a rotating body | Physics | 0 | Active |
| US12265198B2 | In-situ rock mass elastic modulus measurement system and method | Emerging Cross-Sectional Technologies | 0 | Active |
| US9275674B2 | Spindle motor for hard disk drive and method of fabrication thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US11808914B2 | Method and equipment for transformation of point cloud coordinates of structure plane of deep-buried tunnel based on target device | Physics | 0 | Active |
| US6542699B2 | Camera | Physics | 0 | Expired |
| US9929684B2 | Motor control system and method of controlling a motor | Electricity | 0 | Active |
| US11740385B2 | Quantitative assessment method, apparatus, and device for global stability of surrounding rocks of underground caverns | Physics | 0 | Active |
| US11796513B2 | Dual channel nondestructive testing method for rock bolt and related devices | Physics | 0 | Active |
| US9177595B2 | Magnetic disk drive device, magnetic disk assembly and methods of forming the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US12276639B1 | Large-space high-temperature and high-pressure true triaxial flexible loading device | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.