Qi Chen
13Patents
3h-index
17Co-inventors
53Inventor score
Filing activity: Jul 7, 2005 → Nov 13, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8040274B2 | Apparatus for determining and/or monitoring the level of a medium | Physics | 13 | Active |
| US7864104B2 | Device for determining and monitoring the level of a medium in a container | Physics | 8 | Expired |
| US8397566B2 | Apparatus for transferring high-frequency signals comprising overlapping coupling regions that are serially connected | Physics | 3 | Expired |
| US9000775B2 | Fill-level measuring device for ascertaining and monitoring fill level of a medium located in the process space of a container by means of a microwave travel time measuring method | Electricity | 3 | Active |
| US8201003B2 | Circuit for preventing computer power down sequence failure | Physics | 1 | Active |
| US7493507B2 | System for protecting a motherboard while a component is not connected properly to its power source | Physics | 1 | Active |
| US8200997B2 | Computer wake up circuit includes a switch configured to prevent a control signals from an I/O controller being transmitted to south-bridge | Physics | 1 | Active |
| US11796375B2 | Fill-level measuring device | Electricity | 1 | Active |
| US8482324B2 | Circuit for controlling PSON signal | Physics | 1 | Active |
| US8751051B2 | Switch control system | Physics | 0 | Active |
| US10164613B2 | Phase-inverted clock generation circuit and register | Electricity | 0 | Active |
| US8166329B2 | Circuit for facilitating computer system waking up from sleep state | Physics | 0 | Active |
| US10018495B2 | Radar-based fill-level measuring device having a synthesizer circuit | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.