Inventor · disambiguated record
Elisabeth J. Spiertz
Also filed as: SPIERTZ ELISABETH J
4 granted patents·27 citations·filing 1977–1986
73Inventor score
Files withPHILIPS CORP4
Top patents by PatentIndex Score
4 records- 0155US4125401AMethod of making copies of information tracks on carriersPHILIPS CORP·Filed 1977·Granted Nov 14, 1978·7 cites·1 claims
- 0248US4704347AMethod of manufacturing a semiconductor device, in which a photolacquer mask is formed by means of a two-layer lacquer system.PHILIPS CORP·Filed 1986·Granted Nov 3, 1987·11 cites·7 claims
- 0342US4230788AMethod of manufacturing an external electrically conducting metal patternPHILIPS CORP·Filed 1978·Granted Oct 28, 1980·4 cites·3 claims
- 0434US4499177AMethod of manufacturing a semiconductor devicePHILIPS CORP·Filed 1983·Granted Feb 12, 1985·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →