Inventor · Tucson, AZ, US

David Baum

22Patents
11h-index
15Co-inventors
72Inventor score

Filing activity: Sep 23, 1992 → Apr 6, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5320538A Interactive aircraft training system and method Emerging Cross-Sectional Technologies 650 Expired
USD697140S1 Gamepad General 56 Active
US7408949B2 Hybrid telephone, non-telephone network Electricity 47 Active
US6999433B2 Method of reducing near-end crosstalk in an MxU networking architecture Electricity 42 Expired
US6411657B1 DSL transmitter with digital filtering using a Tomlinson-Harashima precoder Electricity 26 Expired
US6657495B2 Operational amplifier output stage and method Electricity 23 Expired
USD719614S1 Gamepad General 20 Active
USD691404S1 Shelf General 17 Active
US6437645B1 Slew rate boost circuitry and method Electricity 16 Expired
US7271663B2 Operational amplifier output stage and method Electricity 13 Expired
US6807040B2 Over-current protection circuit and method Electricity 13 Expired
US9138640B2 Electronic device gaming system Human Necessities 11 Active
USD770376S1 Portable back-up battery pack General 9 Active
US7554517B2 Method and apparatus for setting gamma correction voltages for LCD source drivers Physics 8 Active
US6917084B2 Interdigitated layout methodology for amplifier and H-bridge output stages Electricity 6 Expired
US7821333B2 High-voltage differential amplifier and method using low voltage amplifier and dynamic voltage selection Electricity 5 Active
US8610658B2 Circuitry and method for reducing power consumption in gamma correction circuitry Physics 1 Active
USD843318S1 Plug connector for device charging General 1 Active
US7693189B2 HPNA hub Electricity 0 Active
US7551693B2 High-frequency HomePNA Electricity 0 Active
US7974332B2 High-frequency HomePNA Electricity 0 Active
US10180512B2 Circuits and methods for monitoring current in geophysical survey systems Physics 0 Active

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