Ka Ming Chan
6Patents
2h-index
8Co-inventors
44Inventor score
Filing activity: Mar 15, 1994 → Jul 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5504412A | Replaceable battery pack of rechargeable batteries | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5525889A | Direct plug-in cordless screwdriver | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6266846A | Vacuum cleaner | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7152993B2 | LED flashlight | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US11436294B2 | Disambiguating search queries | Physics | 0 | Active |
| US10360276B2 | Disambiguating search queries | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.