Ralph E. Aldrich
10Patents
6h-index
6Co-inventors
55Inventor score
Filing activity: Jan 2, 1974 → Mar 17, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4657358A | Cooled deformable mirror | Physics | 32 | Expired |
| US4257686A | Multiple layer piezoelectric wavefront modulator | Physics | 18 | Expired |
| US4248504A | Piezoelectric wavefront modulator | Physics | 17 | Expired |
| US4674848A | Laser mirror having a cooled, deformable surface | Electricity | 16 | Expired |
| US4588268A | Tip-tilt mirror actuation system having simplified driver circuitry | Physics | 11 | Expired |
| US4533219A | Tip-tilt mirror actuation system employing a single control voltage | Physics | 10 | Expired |
| US4090975A | Mixtures of nematic liquid crystal materials | Chemistry; Metallurgy | 6 | Expired |
| US3935441A | Apparatus for maintaining image digitization in parallel optical digital processing systems | Physics | 5 | Expired |
| US4147656A | Mixtures of nematic liquid crystal materials | Chemistry; Metallurgy | 4 | Expired |
| US4555162A | Method of fabricating long period optical grating | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.