Frederick W. Martin
14Patents
9h-index
5Co-inventors
65Inventor score
Filing activity: Jul 1, 1974 → Mar 23, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5038406A | Secure two-way submarine communication system | Electricity | 146 | Expired |
| US4995101A | Secure two-way communications with submerged submarines | Electricity | 40 | Expired |
| US4352985A | Scanning ion microscope | Electricity | 36 | Expired |
| US4236073A | Scanning ion microscope | Electricity | 35 | Expired |
| US5079414A | Tracking telescope using an atomic resonance filter | Physics | 17 | Expired |
| US4590379A | Achromatic deflector and quadrupole lens | Electricity | 14 | Expired |
| US5369279A | Chromatically compensated particle-beam column | Electricity | 14 | Expired |
| US4555666A | Energy-stable accelerator with needle-like source and focused particle beam | Electricity | 11 | Expired |
| US4002103A | Reciprocating apparatus with a controllable dwell time at each end of the stroke | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4760537A | System for analyzing laser beam profiles | Electricity | 8 | Expired |
| US4088895A | Memory device utilizing ion beam readout | Physics | 6 | Expired |
| US5124859A | Narrow bandpass reflective optical filter | Physics | 6 | Expired |
| US5052804A | Non-imaging optical detector with variable field-view | Physics | 5 | Expired |
| US9275817B2 | Particle-beam column corrected for both chromatic and spherical aberration | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.