Inventor · disambiguated record

Johan D. Spek

Also filed as: SPEK JOHAN D

1 granted patent·2 citations·filing 1986–1986

19Inventor score

Technology areasH03K

Files withSPEK JOHAN D1

Top patents by PatentIndex Score

1 record

0110US4823025AElectronic circuit element with field-effect transistor operation applications of this circuit element, and substitution circuit for such an elementSPEK JOHAN D·Filed 1986·Granted Apr 18, 1989·2 cites·8 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →