Chao Yan
91Patents
7h-index
121Co-inventors
75Inventor score
Filing activity: Oct 29, 1993 → Dec 1, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5942093A | Electro-osmotically driven liquid delivery method and apparatus | Physics | 67 | Expired |
| US5453163A | Electrokinetic packing of capillary columns | Physics | 56 | Expired |
| USD932718S1 | Cleaning robot | General | 20 | Active |
| US8036000B2 | Resonant converter system and controlling method thereof having relatively better efficiency | Emerging Cross-Sectional Technologies | 16 | Active |
| US8842448B2 | Parallel-connected resonant converter circuit and controlling method thereof | Emerging Cross-Sectional Technologies | 11 | Active |
| US8536735B2 | Converter with input voltage balance circuit | Emerging Cross-Sectional Technologies | 10 | Active |
| US9926485B2 | Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives | Chemistry; Metallurgy | 9 | Active |
| US6944036B2 | DC/DC converter with voltage clamp circuit | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8717783B2 | Method and apparatus for regulating gain within a resonant converter | Emerging Cross-Sectional Technologies | 6 | Active |
| US10619086B2 | Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives | Chemistry; Metallurgy | 4 | Active |
| US7804193B2 | Energy recycle system for use with AC current power supply | Electricity | 4 | Active |
| US7692937B2 | Resonant converter and voltage stabilizing method thereof | Emerging Cross-Sectional Technologies | 4 | Active |
| US9590518B2 | Power converter and controlling method thereof | Emerging Cross-Sectional Technologies | 4 | Active |
| US9343970B2 | Converter and method for reducing a voltage of node thereof | Emerging Cross-Sectional Technologies | 4 | Active |
| US9083249B2 | Mixed control method for resonant converter, resonant converter system and mixed controller | Emerging Cross-Sectional Technologies | 3 | Active |
| US8345450B2 | Resonant converter having over-current protection apparatus and controlling method thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| US10914452B2 | Optical element, light source circuit and lighting device | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US11028313B2 | Nanoparticle carrier platform and methods for controlled release of subterranean well treatment additives | Chemistry; Metallurgy | 3 | Active |
| US10411608B2 | Converter circuit with a switchable topology | Emerging Cross-Sectional Technologies | 3 | Active |
| US7099161B2 | Converter with synchronous rectifier with ZVS | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10148191B2 | Bi-directional isolated power conversion device and power converting method | Emerging Cross-Sectional Technologies | 3 | Active |
| US9837918B2 | Converter circuit with a switchable topology and method of converting power | Emerging Cross-Sectional Technologies | 3 | Active |
| US9977476B2 | Power supply apparatus | Physics | 2 | Active |
| US9270188B2 | DC-DC converter and switching method for the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US10202397B2 | Anti-cancer compounds targeting Ral GTPases and methods of using the same | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.