Mei Cheng
7Patents
3h-index
13Co-inventors
54Inventor score
Filing activity: Dec 30, 1985 → Sep 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5304248A | Passive shield for CVD wafer processing which provides frontside edge exclusion and prevents backside depositions | Chemistry; Metallurgy | 116 | Expired |
| US4668338A | Magnetron-enhanced plasma etching process | Electricity | 79 | Expired |
| US5112435A | Materials and methods for etching silicides, polycrystalline silicon and polycides | Electricity | 15 | Expired |
| US10265746B2 | Rotary extrusion producing method for producing inner ring rib with large aspect ratio formed of hollow billet | Performing Operations; Transporting | 2 | Active |
| US11813653B2 | Method for preparing large-size rare earth magnesium alloy high-performance ingots by short process severe plastic deformation | Emerging Cross-Sectional Technologies | 0 | Active |
| US12214394B2 | Mold for preparing large-size rare earth magnesium alloy ingot without tail shrinkage by back pressure severe plastic deformation | Emerging Cross-Sectional Technologies | 0 | Active |
| US11872608B2 | Method of removing sludge from a drain pipe | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.