Hao Chen
21Patents
6h-index
40Co-inventors
69Inventor score
Filing activity: Jun 1, 1976 → Sep 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7915579B2 | Method and apparatus of liquid sample-desorption electrospray ionization-mass specrometry (LS-DESI-MS) | Electricity | 62 | Active |
| US6002202A | Rigid thin windows for vacuum applications | Electricity | 57 | Expired |
| US8330119B2 | On-line and off-line coupling of EC with DESI-MS | Electricity | 40 | Active |
| US7723643B2 | Laser peening for reducing hydrogen embrittlement | Performing Operations; Transporting | 8 | Active |
| US4064025A | Separation of carbon and nitrogen isotopes by selective photodissociation azo or diazo compounds | Performing Operations; Transporting | 7 | Expired |
| US4482525A | Nitrogen fixation apparatus | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4399012A | Nitrogen fixation method and apparatus | Chemistry; Metallurgy | 5 | Expired |
| US4092405A | Separation of deuterium from hydrogen | Performing Operations; Transporting | 3 | Expired |
| US8648297B2 | Coupling of liquid chromatography with mass spectrometry by liquid sample desorption electrospray ionization (DESI) | Emerging Cross-Sectional Technologies | 3 | Active |
| US9400267B2 | Versatile ambient ionization-based interface for LC/MS | Physics | 2 | Active |
| US11136911B2 | Method and device for diagnosis of a particle filter arranged in the exhuast gas system of a petro-operated internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US10808593B2 | Exhaust gas treatment for an internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US9977028B2 | Ionization of chemicals in mixture at low pH by ambient ionization/mass spectrometry | Electricity | 0 | Active |
| US11360058B2 | Method and device for chemical quantification using electrochemical mass spectrometry without the use of standard target compounds | Physics | 0 | Active |
| US11124438B2 | Alcaligenes faecalis for degrading ethylene oxide | Chemistry; Metallurgy | 0 | Active |
| US11136253B1 | Microbiological treatment system for ethylene oxide exhaust gas | Emerging Cross-Sectional Technologies | 0 | Active |
| US10290479B2 | Online monitoring of fuel cell reactions by desorption electrospray mass spectrometry | Emerging Cross-Sectional Technologies | 0 | Active |
| US9651521B2 | Microsecond time-resolved mass spectrometry | Electricity | 0 | Active |
| US11110390B1 | Systems and methods for treating sterilization exhaust gas containing ethylene oxide | Performing Operations; Transporting | 0 | Active |
| US11066975B2 | Method and device for diagnosis of a particle filter arranged in the exhaust gas system of a petrol-operated internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US8901320B2 | Process for controlling a gas phase oxidation reactor for preparation of phthalic anhydride | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.