Inventor · disambiguated record
Hans A. Protschka
Also filed as: PROTSCHKA HANS A
2 granted patents·80 citations·filing 1986–1991
66Inventor score
Files withIBM2
Top patents by PatentIndex Score
2 records- 0171US5143820AMethod for fabricating high circuit density, self-aligned metal linens to contact windowsIBM·Filed 1991·Granted Sep 1, 1992·61 cites·26 claims
- 0244US4778739APhotoresist process for reactive ion etching of metal patterns for semiconductor devicesIBM·Filed 1986·Granted Oct 18, 1988·19 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →