Inventor · disambiguated record
Karl Zapf
Also filed as: ZAPF KARL · ZAPF KARL J
4 granted patents·63 citations·filing 1979–2008
73Inventor score
Top patents by PatentIndex Score
4 records- 0190US4271461AClock-controlled DC converterSIEMENS AG·Filed 1979·Granted Jun 2, 1981·53 cites·33 claims
- 0257US8188780B2Pulsed static flip-flopPACHA CHRISTIAN·Filed 2006·Granted May 29, 2012·3 cites·16 claims
- 0353US4347588AMOS-Integrated circuit arrangement for suppressing quiescent currents flowing in word line drivers of semiconductor memoriesSIEMENS AG·Filed 1979·Granted Aug 31, 1982·7 cites·3 claims
- 0437US7898836B2Masked memory cellsINFINEON TECHNOLOGIES AG·Filed 2008·Granted Mar 1, 2011·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →