Inventor · Hiram, ME, US

Roy L. Yarbrough

24Patents
8h-index
21Co-inventors
75Inventor score

Filing activity: Jun 3, 1988 → Aug 24, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6788116B1 Low voltage differential swing (LVDS) signal driver circuit with low PVT sensitivity Electricity 77 Expired
US7924066B2 Low speed, load independent, slew rate controlled output buffer with no DC power consumption Electricity 25 Active
US5204554A Partial isolation of power rails for output buffer circuits Electricity 15 Expired
US5617048A Hysteretic power-up circuit Electricity 15 Expired
US5408147A VCC translator circuit Electricity 14 Expired
US5118974A Tristate circuits with fast and slow OE signals Electricity 11 Expired
US5051623A TTL tristate circuit for output pulldown transistor Electricity 9 Expired
US4943741A ECL/CML emitter follower current switch circuit Electricity 8 Expired
US5521789A BICMOS electrostatic discharge protection circuit Electricity 8 Expired
US6943591B1 Apparatus and method for detecting a fault condition in a common-mode signal Electricity 8 Expired
US7893566B2 Power latch Electricity 6 Active
US5218243A BiCMOS TTL output buffer circuit with reduced power dissipation Electricity 6 Expired
US5184034A State-dependent discharge path circuit Electricity 5 Expired
US5233237A BICMOS output buffer noise reduction circuit Electricity 5 Expired
US4947058A TTL current sinking circuit with transient performance enhancement during output transition from high to low Electricity 4 Expired
US8727616B2 Differential thermistor circuit Physics 4 Active
US5258665A AC Miller-Killer circuit for L.fwdarw.Z transitions Electricity 3 Expired
US5223745A Power down Miller Killer circuit Electricity 3 Expired
US5021687A High speed inverting hysteresis TTL buffer circuit Electricity 3 Expired
US5289056A BICMOS input buffer circuit with integral passgate Electricity 3 Expired
US7782116B2 Power supply insensitive voltage level translator Electricity 3 Active
US9224566B2 Fuse driver circuits Electricity 2 Active
US9772233B2 Differential thermistor circuit Physics 0 Active
US10190919B2 Differential thermistor circuit Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.