Haichun Yang
15Patents
4h-index
20Co-inventors
56Inventor score
Filing activity: Sep 25, 2007 → Nov 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7871926B2 | Methods and systems for forming at least one dielectric layer | Electricity | 77 | Active |
| US7585762B2 | Vapor deposition processes for tantalum carbide nitride materials | Electricity | 20 | Active |
| US7780793B2 | Passivation layer formation by plasma clean process to reduce native oxide growth | Electricity | 16 | Active |
| US8252696B2 | Selective etching of silicon nitride | Electricity | 4 | Active |
| US10692730B1 | Silicon oxide selective dry etch process | Electricity | 1 | Active |
| US8318605B2 | Plasma treatment method for preventing defects in doped silicon oxide surfaces during exposure to atmosphere | Electricity | 1 | Active |
| US7989339B2 | Vapor deposition processes for tantalum carbide nitride materials | Electricity | 1 | Active |
| US7678298B2 | Tantalum carbide nitride materials by vapor deposition processes | Electricity | 0 | Active |
| US11183397B2 | Selective etch process using hydrofluoric acid and ozone gases | Electricity | 0 | Active |
| US11251050B2 | Silicon oxide selective dry etch process | Electricity | 0 | Active |
| US11791166B2 | Selective etch process using hydrofluoric acid and ozone gases | Electricity | 0 | Active |
| US11164727B2 | Processing of workpieces using hydrogen radicals and ozone gas | Electricity | 0 | Active |
| US11315801B2 | Processing of workpieces using ozone gas and hydrogen radicals | Electricity | 0 | Active |
| US7977246B2 | Thermal annealing method for preventing defects in doped silicon oxide surfaces during exposure to atmosphere | Electricity | 0 | Active |
| US11791181B2 | Methods for the treatment of workpieces | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.