Inventor · disambiguated record
Ulrich Greis
Also filed as: GREIS ULRICH
5 granted patents·161 citations·filing 1973–1976
83Inventor score
Files withAGFA GEVAERT AG5
Top patents by PatentIndex Score
5 records- 0196US4172219ADaylight projection screen and method and apparatus for making the sameAGFA GEVAERT AG·Filed 1976·Granted Oct 23, 1979·76 cites·10 claims
- 0295US4076384ARear-projection viewing screenAGFA GEVAERT AG·Filed 1976·Granted Feb 28, 1978·51 cites·10 claims
- 0359US3948660AMethod for the manufacture of fresnel lenses using light-sensitive materialsAGFA GEVAERT AG·Filed 1973·Granted Apr 6, 1976·15 cites·15 claims
- 0448US4032343AMethod for production of rotationally symmetric non-spherical optical elementsAGFA GEVAERT AG·Filed 1974·Granted Jun 28, 1977·13 cites·7 claims
- 0537US4009386AMethod and arrangement for automatically focussing an objective onto a subject, using autocollimationAGFA GEVAERT AG·Filed 1975·Granted Feb 22, 1977·6 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →