He Du
8Patents
6h-index
11Co-inventors
60Inventor score
Filing activity: Jul 18, 1994 → Oct 29, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5559476A | Voltage controlled oscillator including voltage controlled delay circuit with power supply noise isolation | Electricity | 60 | Expired |
| US5502680A | Sense amplifier with pull-up circuit for accelerated latching of logic level output data | Physics | 17 | Expired |
| US5568099A | High frequency differential VCO with common biased clipper | Electricity | 13 | Expired |
| US5638030A | High frequency differential VCO with common biased clipper | Electricity | 10 | Expired |
| US5646029A | Plant arabinogalactan protein (AGP) genes | Human Necessities | 10 | Expired |
| US5830747A | Plant arabinogalactan protein (AGP) genes | Human Necessities | 9 | Expired |
| US6136552A | High-affinity salicylic acid-binding protein and methods of use | Chemistry; Metallurgy | 3 | Expired |
| US11556120B2 | Systems and methods for monitoring performance of a building management system via log streams | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.