Rujun Ji
9Patents
3h-index
4Co-inventors
42Inventor score
Filing activity: Apr 28, 2015 → Jun 14, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9702912B2 | Bi-directional electric energy meter | Physics | 4 | Active |
| US10156598B2 | Bi-directional electric energy meter | Physics | 3 | Active |
| US11060889B2 | Methods and apparatus to determine a position of a rotatable shaft of a motor | Electricity | 3 | Active |
| US10488448B2 | Bi-directional electric energy meter | Physics | 2 | Active |
| US10901016B2 | Bi-directional electric energy meter | Physics | 1 | Active |
| US11933645B2 | Methods and apparatus to determine a position of a rotatable shaft of a motor | Electricity | 1 | Active |
| US11519755B2 | Capacitive-sensing rotary encoders and methods | Physics | 0 | Active |
| US10684143B2 | Capacitive-sensing rotary encoders and methods | Physics | 0 | Active |
| US11609252B2 | Bi-directional electric energy meter | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.