Roger Sperline
7Patents
4h-index
15Co-inventors
54Inventor score
Filing activity: Mar 17, 2003 → May 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6809313B1 | Micro faraday-element array detector for ion mobility spectroscopy | Physics | 23 | Expired |
| US7403065B1 | Differential transimpedance amplifier circuit for correlated differential amplification | Electricity | 9 | Active |
| US7498585B2 | Method and apparatus for simultaneous detection and measurement of charged particles at one or more levels of particle flux for analysis of same | Emerging Cross-Sectional Technologies | 5 | Active |
| US7538320B2 | Ion detection device and method with compressing ion-beam shutter | Electricity | 4 | Active |
| US8653449B2 | Sensitive ion detection device and method for analysis of compounds as vapors in gases | Electricity | 4 | Active |
| US9134272B2 | Sensitive ion detection device and method for analysis of compounds as vapors in gases | Electricity | 1 | Active |
| US12131894B2 | Virtual slit cycloidal mass spectrometer | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.