Patent assignee · US · COMPANY

Transphorm Inc.

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110Patents
107Active
110Granted
60Portfolio score

Filing activity: Sep 17, 2007 → Jul 6, 2018 · 15 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7915643B2 Enhancement mode gallium nitride power devices Electricity 132 Active
US7898004B2 Semiconductor heterostructure diodes Electricity 121 Active
US7851825B2 Insulated gate e-mode transistors Electricity 105 Active
US7965126B2 Bridge circuits and their components Electricity 103 Active
US7875907B2 III-nitride bidirectional switches Electricity 100 Active
US7795642B2 III-nitride devices with recessed gates Electricity 96 Active
US8519438B2 Enhancement mode III-N HEMTs Electricity 92 Active
US8237198B2 Semiconductor heterostructure diodes Electricity 87 Active
US7939391B2 III-Nitride devices with recessed gates Electricity 68 Active
US7884394B2 III-nitride devices and circuits Electricity 62 Active
US8390000B2 Semiconductor devices with field plates Electricity 62 Active
US8716141B2 Electrode configurations for semiconductor devices Electricity 50 Active
US8598937B2 High power semiconductor electronic components with increased reliability Emerging Cross-Sectional Technologies 49 Active
US8742460B2 Transistors with isolation regions Electricity 44 Active
US8633518B2 Gallium nitride power devices Electricity 43 Active
US8692294B2 Semiconductor devices with field plates Electricity 41 Active
US8344424B2 Enhancement mode gallium nitride power devices Electricity 38 Active
US8138529B2 Package configurations for low EMI circuits Electricity 38 Active
US8389977B2 Reverse side engineered III-nitride devices Electricity 38 Active
US8803246B2 Semiconductor electronic components with integrated current limiters Electricity 34 Active
US8648643B2 Semiconductor power modules and devices Electricity 33 Active
US8901604B2 Semiconductor devices with guard rings Electricity 32 Active
US8289065B2 Inductive load power switching circuits Emerging Cross-Sectional Technologies 31 Active
US8742459B2 High voltage III-nitride semiconductor devices Electricity 29 Active
US8624662B2 Semiconductor electronic components and circuits Electricity 29 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.