Chengyu Li
12Patents
2h-index
21Co-inventors
50Inventor score
Filing activity: Nov 9, 2009 → Feb 2, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD772417S1 | Hearing aid | General | 8 | Active |
| US9045689B2 | Yellow light afterglow material and preparation method thereof as well as LED illuminating device using same | Electricity | 6 | Active |
| USD797938S1 | Hearing aid | General | 2 | Active |
| US9695360B2 | Yellow light afterglow material and preparation method thereof as well as LED illuminating device using same | Electricity | 1 | Active |
| US9611427B2 | Yellow light afterglow material and preparation method thereof as well as LED illuminating device using same | Electricity | 0 | Active |
| US10509946B2 | Method and device for matching signatures on the basis of motion signature information | Electricity | 0 | Active |
| US9185761B2 | White LED device having LED chips directly driven by alternating current | Electricity | 0 | Active |
| US11523234B2 | Miniature ear canal type hearing aid | Electricity | 0 | Active |
| US9695359B2 | Yellow light afterglow material and preparation method thereof as well as LED illuminating device using same | Electricity | 0 | Active |
| US11960012B2 | Positioning method and electronic device | Physics | 0 | Active |
| US11208561B2 | Colorant and preparation method thereof | Chemistry; Metallurgy | 0 | Active |
| US10414975B2 | Orange-yellow-emitting phosphor for LEDs, preparation method and use thereof | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.