Yafei Liu
28Patents
6h-index
51Co-inventors
68Inventor score
Filing activity: Nov 8, 2005 → Dec 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD982905S1 | Toothbrush head | General | 13 | Active |
| USD858561S1 | Display screen of a wearable device with a transitional graphical user interface | General | 12 | Active |
| USD950959S1 | Electric toothbrush head | General | 11 | Active |
| USD900866S1 | Display screen of a wearable device with transitional graphical user interface | General | 11 | Active |
| USD858563S1 | Display screen of a wearable device with a transitional graphical user interface | General | 11 | Active |
| USD977256S1 | Electric toothbrush | General | 8 | Active |
| US9689121B2 | Piston-type variable speed control device | Fixed Constructions | 6 | Active |
| US11207162B1 | Electric toothbrush head | Human Necessities | 5 | Active |
| USD978776S1 | Set of wheels for a delivery robot chassis | General | 5 | Active |
| US9453829B2 | Soil property test device | Physics | 2 | Active |
| US11984591B1 | Sodium-containing oxide positive electrode material and preparation method therefor and use thereof, and positive electrode plate and use thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| USD1013751S1 | Delivery robot chassis | General | 0 | Active |
| US11955635B1 | Single crystal multi-element positive electrode material, preparation method therefor, and lithium ion battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US11958757B2 | Lithium-manganese-rich material, preparation method for same, and applications thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US12294079B2 | Lithium-manganese rich material, preparation method therefor and use thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US11607299B1 | Electric toothbrush replacement head | Human Necessities | 0 | Active |
| US11662306B2 | Supercritical carbon dioxide state monitoring and control system based on infrared spectrum characteristic analysis | Physics | 0 | Active |
| US12157679B2 | Single-crystal-type multi-element positive electrode material, and preparation method therefor and application thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US12338136B2 | Positive electrode material, preparation method therefor, and application thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US11984586B1 | Surface-coated positive electrode material and preparation method therefor, and lithium ion battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US12113214B2 | Positive electrode material and preparation method and use therefor, lithium-ion battery positive electrode pole piece, and lithium-ion battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US10732086B2 | Device and method for measuring magnitude of seepage force and its influence on effective stress of formation | Physics | 0 | Active |
| US11996560B1 | Positive electrode material of lithium-ion battery and preparation method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
| US11984590B2 | Positive electrode material for lithium ion battery and preparation method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
| US12071356B2 | Positive electrode material having multi-cavity structure and preparation method therefor, and lithium ion battery | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.