Patent assignee · US · COMPANY

Efficient Power Conversion Corporation

65Patents
65Active
65Granted
56Portfolio score

Filing activity: Apr 7, 2010 → Jun 29, 2023 · 5 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8823012B2 Enhancement mode GaN HEMT device with gate spacer and method for fabricating the same Electricity 27 Active
US8431960B2 Dopant diffusion modulation in GaN buffer layers Electricity 25 Active
US8404508B2 Enhancement mode GaN HEMT device and method for fabricating the same Electricity 20 Active
US8436398B2 Back diffusion suppression structures Electricity 15 Active
US8890168B2 Enhancement mode GaN HEMT device Electricity 11 Active
US8350294B2 Compensated gate MISFET and method for fabricating the same Electricity 10 Active
US9607876B2 Semiconductor devices with back surface isolation Electricity 8 Active
US9331061B2 Parallel connection methods for high performance transistors Electricity 8 Active
US9484862B2 Device and method for bias control of class A power RF amplifier Electricity 7 Active
US9214461B2 GaN transistors with polysilicon layers for creating additional components Electricity 7 Active
US8853749B2 Ion implanted and self aligned gate structure for GaN transistors Electricity 7 Active
US9667245B2 High voltage zero QRR bootstrap supply Electricity 6 Active
US10312131B2 Semiconductor devices with back surface isolation Electricity 6 Active
US9837438B2 GaN transistors with polysilicon layers used for creating additional components Electricity 6 Active
US9171911B2 Isolation structure in gallium nitride devices and integrated circuits Electricity 6 Active
US9035417B2 Parasitic inductance reduction for multilayered board layout designs with semiconductor devices Electricity 5 Active
US10790811B2 Cascaded bootstrapping GaN power switch and driver Electricity 5 Active
US10096702B2 Multi-step surface passivation structures and methods for fabricating same Electricity 3 Active
US10312260B2 GaN transistors with polysilicon layers used for creating additional components Electricity 3 Active
US9748347B2 Gate with self-aligned ledged for enhancement mode GaN transistors Electricity 3 Active
US10243546B2 Enhancement mode FET gate driver IC Electricity 3 Active
US8969918B2 Enhancement mode gallium nitride transistor with improved gate characteristics Electricity 2 Active
US10840742B2 Wireless power receiver synchronization detection circuit Emerging Cross-Sectional Technologies 2 Active
US9634555B2 Method for operating a non-isolated switching converter having synchronous rectification capability suitable for power factor correction applications Emerging Cross-Sectional Technologies 2 Active
US10749514B2 GaN based adjustable driver current circuit Electricity 2 Active

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