Dengfeng Xu
29Patents
4h-index
44Co-inventors
59Inventor score
Filing activity: Oct 9, 2001 → Apr 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7439272B2 | Ultraporous sol gel monoliths | Chemistry; Metallurgy | 78 | Expired |
| US7595350B2 | Ultraporous sol gel monoliths | Chemistry; Metallurgy | 61 | Active |
| US7651762B2 | Methods and devices using a shrinkable support for porous monolithic materials | Emerging Cross-Sectional Technologies | 58 | Active |
| US6884822B2 | Sol-gel process utilizing reduced mixing temperatures | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7026362B2 | Sol-gel process utilizing reduced mixing temperatures | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9879979B2 | Heterodyne grating interferometer displacement measurement system | Physics | 3 | Active |
| US7125912B2 | Doped sol-gel materials and method of manufacture utilizing reduced mixing temperatures | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9903704B2 | Three-DOF heterodyne grating interferometer displacement measurement system | Physics | 2 | Active |
| US8284380B2 | Dual-stage switching system for lithographic machine | Physics | 1 | Active |
| US10532832B2 | Magnetic levitation reaction sphere | Electricity | 1 | Active |
| US9752643B2 | Negative stiffness system for gravity compensation of micropositioner | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9885556B2 | Dual-frequency grating interferometer displacement measurement system | Physics | 1 | Active |
| US7000885B2 | Apparatus and method for forming a sol-gel monolith utilizing multiple casting | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8084897B2 | Micro stage with 6 degrees of freedom | Physics | 1 | Active |
| US12270645B2 | High-resolution phase detection method and system based on plane grating laser interferometer | Physics | 0 | Active |
| US10238771B2 | Methods for treating bioprosthetic tissue using a nucleophile/electrophile in a catalytic system | Human Necessities | 0 | Active |
| US8836918B2 | Dual-stage exchange system for lithographic apparatus | Physics | 0 | Active |
| US9310797B2 | Single degree of freedom vibration isolating device of linear motor and motion control method thereof | Physics | 0 | Active |
| US9182217B2 | Method for measuring displacement of large-range moving platform | Physics | 0 | Active |
| US9455650B2 | Two-dimensional locating method of motion platform based on magnetic steel array | Physics | 0 | Active |
| US9310782B2 | Method for measuring displacement of planar motor rotor | Physics | 0 | Active |
| US8860927B2 | Dual-stage exchange system for lithographic apparatus | Physics | 0 | Active |
| US9030648B2 | Dual wafer stage exchanging system for lithographic device | Physics | 0 | Active |
| US8958078B2 | Two-dimensional, position-sensitive sensor-based system for positioning object having six degrees of freedom in space | Physics | 0 | Active |
| US11590260B2 | Methods for treating bioprosthetic tissue using a nucleophile/electrophile in a catalytic system | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.