Lei Qin
42Patents
5h-index
114Co-inventors
68Inventor score
Filing activity: Apr 17, 2009 → May 3, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD746319S1 | Portion of a display screen for a graphical user interface | General | 142 | Active |
| USD740850S1 | Portion of a display screen with animated graphical user interface | General | 94 | Active |
| USD673230S1 | Barbell plate | General | 36 | Active |
| USD747341S1 | Portion of a display screen for a graphical user interface | General | 29 | Active |
| USD947778S1 | Energy storage system | General | 5 | Active |
| US8733909B2 | Negative-pressure ink cartridge refilling device, system and method | Performing Operations; Transporting | 2 | Active |
| US10577891B2 | Using horizontal directional drilling and liquid nitrogen cyclic freeze-thaw process to improve permeability in gas drainage | Fixed Constructions | 1 | Active |
| US11417930B2 | Mounting stand, battery assembly, and energy storage system including the same | Electricity | 1 | Active |
| US8552865B2 | Self-test method for a microwave module | Physics | 1 | Active |
| US9524441B2 | System and method for identity authentication based on face recognition, and computer storage medium | Physics | 1 | Active |
| US11873541B2 | Method for determining source sink term in ionic type rare earth ore leaching process | Emerging Cross-Sectional Technologies | 0 | Active |
| US11474022B2 | Ore volume-based zonal injection method for ionic rare earth ore | Emerging Cross-Sectional Technologies | 0 | Active |
| US8971619B2 | Method and a device for extracting color features | Physics | 0 | Active |
| US9954850B2 | Service locking method, apparatuses and systems thereof | Electricity | 0 | Active |
| US10369559B2 | Composite catalyst, preparation process thereof, and process for catalyzing the trimerization of butadiene using the composite catalyst | Chemistry; Metallurgy | 0 | Active |
| US9915566B2 | Smart lookdown function switch design for intrusion detectors | Physics | 0 | Active |
| US9796187B2 | Method for controlling light emission of ink cartridge, and ink cartridge | Performing Operations; Transporting | 0 | Active |
| US10009767B2 | Account login method, apparatus, and system | Electricity | 0 | Active |
| US12258361B2 | Directionally assembled flexible MOF hydrogel, and preparation method and proton conduction application thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US12173017B2 | Bimetallic metal-organic frameworks nanosheet based on zeolite imidazole framework/materials of institute Lavoisier topology and preparation method and application thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US9446598B2 | Method and apparatus for controlling light emission of ink cartridge | Performing Operations; Transporting | 0 | Active |
| US11341909B2 | Pixel drive circuit and drive method thereof, and display device | Physics | 0 | Active |
| US9348570B2 | Providing a custom virtual appliance | Physics | 0 | Active |
| US12334092B2 | Speech separation method, electronic device, chip, and computer- readable storage medium | Physics | 0 | Active |
| US11146858B2 | Method and apparatus for pushing video content | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.