Ivan Prikryl
10Patents
6h-index
3Co-inventors
59Inventor score
Filing activity: Dec 17, 1981 → Mar 20, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5349175A | Focus sensing apparatus using electrical AGC to enhance differential focus error signal | Physics | 47 | Expired |
| US5245174A | Focus sensing apparatus utilizing a reflecting surface having variable reflectivity | Physics | 45 | Expired |
| US5675413A | Adjustable optical test apparatus including interferometer with micromirror and alignment observation system | Physics | 12 | Expired |
| US6549511B1 | Optical disk medium having features for radial tilt detection and apparatus for measuring radial tilt | Physics | 11 | Expired |
| US5771095A | Optical test system including interferometer with micromirror and piezoelectric translator for controlling test path mirror | Physics | 10 | Expired |
| US6204925A | Interferometer having a micromirror | Physics | 7 | Expired |
| US4509818A | Hologram synthesis | Physics | 6 | Expired |
| US4843603A | Concentric photodetector arrangement for focusing and tracking | Physics | 6 | Expired |
| US6025912A | Interferometer having a micromirror | Physics | 2 | Expired |
| US6493094B2 | Method and apparatus for beam directing | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.