Frederick C. Wellstood
12Patents
8h-index
22Co-inventors
72Inventor score
Filing activity: Sep 21, 1990 → Mar 2, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6809533B1 | Quantitative imaging of dielectric permittivity and tunability | Physics | 82 | Expired |
| US5900618A | Near-field scanning microwave microscope having a transmission line with an open end | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5894220A | Apparatus for microscopic imaging of electrical and magnetic properties of room-temperature objects | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5491411A | Method and apparatus for imaging microscopic spatial variations in small currents and magnetic fields | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5256636A | Microelectronic superconducting device with multi-layer contact | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5291035A | Microelectronic superconducting crossover and coil | Electricity | 12 | Expired |
| US6516281B1 | Scanning single electron transistor microscope for imaging ambient temperature objects | Physics | 11 | Expired |
| US7106057B2 | High frequency scanning SQUID microscope and method of measuring high frequency magnetic fields | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6571183B1 | Imaging using spatial frequency filtering and masking | Physics | 3 | Expired |
| US7268542B1 | Scanning SQUID microscope having position noise compensation | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10176431B2 | Low-noise, ultra-low temperature dissipative devices | Electricity | 1 | Active |
| US7085656B2 | Method for suppressing edge artifacts in magnetic microscopy | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.