Inventor · disambiguated record
Egil D. Castel
Also filed as: CASTEL EGIL D
3 granted patents·103 citations·filing 1978–1988
74Inventor score
Top patents by PatentIndex Score
3 records- 0180US4839311AEtch back detectionNAT SEMICONDUCTOR CORP·Filed 1988·Granted Jun 13, 1989·69 cites·37 claims
- 0255US4824521APlanarization of metal pillars on uneven substratesFAIRCHILD SEMICONDUCTOR·Filed 1987·Granted Apr 25, 1989·25 cites·21 claims
- 0338US4167805ACuprous sulfide layer formation for photovoltaic cellPHOTON POWER INC·Filed 1978·Granted Sep 18, 1979·9 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →