Long-Der Chen
6Patents
3h-index
28Co-inventors
57Inventor score
Filing activity: Apr 10, 2003 → Oct 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8689398B2 | Cleaning apparatus and detecting method thereof | Physics | 14 | Active |
| US6715689B1 | Intelligent air-condition system | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8223029B2 | Method for controlling cleaning device | Human Necessities | 3 | Active |
| US9399463B2 | Automatic tracking collision avoidance system and method thereof | Performing Operations; Transporting | 1 | Active |
| US9423810B2 | Voltage regulator and control method thereof | Physics | 1 | Active |
| US12428958B2 | Hydrogeological drilling-type detection equipment | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.