Ping Xu
69Patents
14h-index
146Co-inventors
87Inventor score
Filing activity: Jun 7, 1995 → Feb 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6764958B1 | Method of depositing dielectric films | Emerging Cross-Sectional Technologies | 281 | Expired |
| US6656837B2 | Method of eliminating photoresist poisoning in damascene applications | Emerging Cross-Sectional Technologies | 259 | Expired |
| US6794311B2 | Method and apparatus for treating low k dielectric layers to reduce diffusion | Emerging Cross-Sectional Technologies | 244 | Expired |
| US9139669B2 | Expandable functional TFE copolymer fine powder, the expandable functional products obtained therefrom and reaction of the expanded products | Chemistry; Metallurgy | 96 | Active |
| US6890850B2 | Method of depositing dielectric materials in damascene applications | Electricity | 65 | Expired |
| US6035803A | Method and apparatus for controlling the deposition of a fluorinated carbon film | Electricity | 52 | Expired |
| US6094074A | High speed common mode logic circuit | Electricity | 42 | Expired |
| US6699784B2 | Method for depositing a low k dielectric film (K>3.5) for hard mask application | Electricity | 28 | Expired |
| US6553932B2 | Reduction of plasma edge effect on plasma enhanced CVD processes | Electricity | 27 | Expired |
| US6066985A | Large swing input/output analog buffer | Electricity | 23 | Expired |
| US6759327B2 | Method of depositing low k barrier layers | Electricity | 22 | Expired |
| US6734102B2 | Plasma treatment for copper oxide reduction | Emerging Cross-Sectional Technologies | 22 | Expired |
| USD662469S1 | Battery charger | General | 21 | Active |
| US8658707B2 | Expandable functional TFE copolymer fine powder, the expanded functional products obtained therefrom and reaction of the expanded products | Emerging Cross-Sectional Technologies | 21 | Active |
| US5647894A | Gas separating composite membrane and process for producing the same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5856753A | Output circuit for 3V/5V clock chip duty cycle adjustments | Electricity | 9 | Expired |
| US6011443A | CMOS voltage controlled oscillator | Electricity | 7 | Expired |
| US6868856B2 | Enhanced remote plasma cleaning | Emerging Cross-Sectional Technologies | 7 | Expired |
| US11092875B2 | Reconfigurable nonlinear frequency conversion waveguide chip based on Mach-Zehnder interferometer coupled microring | Physics | 7 | Active |
| US5705921A | Low noise 3V/5V CMOS bias circuit | Physics | 7 | Expired |
| US8937105B2 | Expandable functional TFE copolymer fine powder, expanded products and reacted products therefrom | Emerging Cross-Sectional Technologies | 6 | Active |
| US6777171B2 | Fluorine-containing layers for damascene structures | Electricity | 6 | Expired |
| US6107883A | High gain, high speed rail-to-rail amplifier | Electricity | 6 | Expired |
| US6057734A | Symmetrical analog power amplifier | Electricity | 6 | Expired |
| US7488781B2 | High purity transparent perfluoroelastomer parts and a process to produce the same | Emerging Cross-Sectional Technologies | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.