Inventor · disambiguated record
Ivan Prikryl
Also filed as: PRIKRYL IVAN
10 granted patents·178 citations·filing 1981–2001
91Inventor score
Files withDISCOVISION ASS5APPLIED MAGNETICS CORP2HEWLETT PACKARD DEVELOPMENT CO1OPTOTECH INC1PRIKRYL IVAN1
Top patents by PatentIndex Score
10 records- 0187US5349175AFocus sensing apparatus using electrical AGC to enhance differential focus error signalAPPLIED MAGNETICS CORP·Filed 1991·Granted Sep 20, 1994·47 cites·23 claims
- 0284US5245174AFocus sensing apparatus utilizing a reflecting surface having variable reflectivityAPPLIED MAGNETICS CORP·Filed 1992·Granted Sep 14, 1993·44 cites·44 claims
- 0374US6204925B1Interferometer having a micromirrorDISCOVISION ASS·Filed 2000·Granted Mar 20, 2001·12 cites·33 claims
- 0461US4509818AHologram synthesisPRIKRYL IVAN·Filed 1981·Granted Apr 9, 1985·18 cites·4 claims
- 0558US5675413AAdjustable optical test apparatus including interferometer with micromirror and alignment observation systemDISCOVISION ASS·Filed 1996·Granted Oct 7, 1997·17 cites·9 claims
- 0657US6549511B1Optical disk medium having features for radial tilt detection and apparatus for measuring radial tiltHEWLETT PACKARD DEVELOPMENT CO·Filed 1999·Granted Apr 15, 2003·13 cites·2 claims
- 0755US6493094B2Method and apparatus for beam directingDISCOVISION ASS·Filed 2001·Granted Dec 10, 2002·3 cites·28 claims
- 0853US5771095AOptical test system including interferometer with micromirror and piezoelectric translator for controlling test path mirrorDISCOVISION ASS·Filed 1996·Granted Jun 23, 1998·14 cites·5 claims
- 0946US4843603AConcentric photodetector arrangement for focusing and trackingOPTOTECH INC·Filed 1988·Granted Jun 27, 1989·7 cites·30 claims
- 1033US6025912AInterferometer having a micromirrorDISCOVISION ASS·Filed 1997·Granted Feb 15, 2000·3 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →