Inventor · disambiguated record
John I. Ykema
Also filed as: YKEMA JOHN I
9 granted patents·252 citations·filing 1992–2012
89Inventor score
Top patents by PatentIndex Score
9 records- 0190US6377874B1Power distribution system including integrated power node control centerSPD TECH INC·Filed 1994·Granted Apr 23, 2002·145 cites·41 claims
- 0284US7076592B1Power node control centerSPD TECH INC·Filed 1998·Granted Jul 11, 2006·43 cites·62 claims
- 0371US6675302B2Power distribution system including integrated power node control centerSPD TECH INC·Filed 2001·Granted Jan 6, 2004·24 cites·28 claims
- 0464US8614868B2Graded resistance solid state current control circuitLAWLER ROBERT·Filed 2012·Granted Dec 24, 2013·3 cites·21 claims
- 0551US6351715B1Electrical integrated modular power nodeSPD TECH INC·Filed 1998·Granted Feb 26, 2002·22 cites·17 claims
- 0647US7667938B2Power node switching centerSPD ELECTRICAL SYSTEMS·Filed 2007·Granted Feb 23, 2010·1 cites·23 claims
- 0735US5936201ACompact electrical busSPD TECH INC·Filed 1992·Granted Aug 10, 1999·7 cites·6 claims
- 0833US6222127B1Compact electrical busSPD TECH INC·Filed 1999·Granted Apr 24, 2001·4 cites·20 claims
- 0932US6320132B1Compact electrical busSPD TECH INC·Filed 1995·Granted Nov 20, 2001·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →