Da Yu Wang
55Patents
13h-index
51Co-inventors
87Inventor score
Filing activity: May 2, 1985 → Oct 11, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6634210B1 | Particulate sensor system | Physics | 74 | Expired |
| US4547281A | Gas analysis apparatus | Physics | 37 | Expired |
| US5217588A | Method and apparatus for sensing NOx | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5558752A | Exhaust gas sensor diagnostic | Physics | 25 | Expired |
| US6562747B2 | Gas sensor electrolyte | Physics | 20 | Expired |
| US5080765A | Method for determining identification and concentration of an atmospheric component | Physics | 19 | Expired |
| US5304294A | Method and apparatus for sensing nox | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4897174A | Gas sensing apparatus | Physics | 16 | Expired |
| US6579435B2 | Gas sensor | Physics | 16 | Expired |
| US7294252B2 | NOx sensor and methods of using the same | Emerging Cross-Sectional Technologies | 15 | Active |
| US4880519A | Gas sensor element | Physics | 15 | Expired |
| US7048844B2 | Gas sensor and method for use thereof | Physics | 14 | Expired |
| US6588253B2 | Fuel volatitlity sensor and method based on capacitance measurement | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6746584B1 | Oxygen sensing device | Physics | 13 | Expired |
| US6579436B2 | Gas sensor and method of producing the same | Physics | 13 | Expired |
| US6781388B2 | Liquid property sensor | Physics | 12 | Expired |
| US6638416B2 | Hydrogen sensing process | Physics | 12 | Expired |
| US5281845A | PTCR device | Electricity | 11 | Expired |
| US7131766B2 | Temperature sensor apparatus and method | Physics | 10 | Expired |
| US7074319B2 | Ammonia gas sensors | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6862919B2 | Ethanol and volatility sensor and fabrication method | Physics | 9 | Expired |
| US6616820B2 | Exhaust species sensing method and device | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6797138B1 | Gas senior design and method for forming the same | Physics | 8 | Expired |
| US6638405B2 | Gas sensor and method of manufacturing the same | Physics | 8 | Expired |
| US5034107A | Method for sensing nitrous oxide | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.