Kai Xin
55Patents
4h-index
51Co-inventors
69Inventor score
Filing activity: Dec 2, 1999 → Dec 21, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6674861B1 | Digital audio watermarking using content-adaptive, multiple echo hopping | Physics | 112 | Expired |
| US8559597B2 | XRF system having multiple excitation energy bands in highly aligned package | Physics | 48 | Active |
| US7738630B2 | Highly aligned x-ray optic and source assembly for precision x-ray analysis applications | Physics | 11 | Active |
| US8817063B1 | Methods and systems for voice and video messaging | Electricity | 5 | Active |
| US8050382B2 | Sample module with sample stream spaced from window, for x-ray analysis system | Physics | 4 | Active |
| US10715056B2 | Three-phase converter with zero-sequence regulation | Emerging Cross-Sectional Technologies | 2 | Active |
| US9343193B2 | XRF system having multiple excitation energy bands in highly aligned package | Physics | 2 | Active |
| US10256002B2 | Support structure and highly aligned monochromatic X-ray optics for X-ray analysis engines and analyzers | Physics | 2 | Active |
| US8625737B2 | Sample module with sample stream supported and spaced from window, for X-ray analysis system | Physics | 2 | Active |
| US9048001B2 | XRF system having multiple excitation energy bands in highly aligned package | Physics | 1 | Active |
| US9225836B2 | Methods and systems for voice and video messaging | Electricity | 1 | Active |
| US11316347B2 | Photovoltaic power system and control method thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US9237038B2 | Channel and noise estimation method and associated apparatus | Electricity | 1 | Active |
| US11984800B2 | Power supply system and control method for power supply system | Electricity | 0 | Active |
| US11818903B2 | Solar cell, and methods for preparing the solar cell, smart glasses, and electronic devices | Emerging Cross-Sectional Technologies | 0 | Active |
| US12418248B2 | Photovoltaic system, inverter, and control method | Emerging Cross-Sectional Technologies | 0 | Active |
| US12395124B2 | Photovoltaic cell detection method, apparatus, and system, medium, and chip | Electricity | 0 | Active |
| US12212250B2 | Control method of three-phase multi-level inverter and inverter system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10666159B2 | Single-phase converter control method and apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US12231058B2 | Power conversion apparatus and control method for power conversion apparatus | Electricity | 0 | Active |
| US10776176B2 | Service control method and service control apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US12160106B2 | Power supply system, converter, and circulating current suppression method of converter | Emerging Cross-Sectional Technologies | 0 | Active |
| US11626834B2 | Power backfeed control method, converter, and photovoltaic power generation system | Emerging Cross-Sectional Technologies | 0 | Active |
| US12230966B2 | Power control method and apparatus, and energy system | Electricity | 0 | Active |
| US11563404B2 | Intensity of current-voltage curve scanning method for photovoltaic string, converter, and system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.