Inventor · Los Gatos, CA, US

Carl W. Werner

83Patents
18h-index
45Co-inventors
84Inventor score

Filing activity: Jun 2, 1999 → May 10, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8199859B2 Integrating receiver with precharge circuitry Electricity 139 Active
US6772351B1 Method and apparatus for calibrating a multi-level current mode driver Electricity 99 Expired
US6370075B1 Charge pump circuit adjustable in response to an external voltage source Physics 98 Expired
US8498344B2 Frequency responsive bus coding Electricity 88 Active
US6184726A Adjustable level shifter circuits for analog or multilevel memories Physics 86 Expired
US7308058B2 Transparent multi-mode PAM interface Electricity 80 Expired
US6760262B2 Charge pump circuit adjustable in response to an external voltage source Physics 79 Expired
US7456778B2 Method and apparatus for calibrating a multi-level current mode driver having a plurality of source calibration signals Electricity 77 Active
US7715471B2 Signaling system with selectively-inhibited adaptive equalization Electricity 73 Active
US6556465B2 Adjustable circuits for analog or multi-level memory Physics 67 Expired
US9165615B2 Coded differential intersymbol interference reduction Physics 65 Active
US7124221B1 Low latency multi-level communication interface Electricity 56 Expired
US7093145B2 Method and apparatus for calibrating a multi-level current mode driver having a plurality of source calibration signals Electricity 48 Expired
US6208542A Techniques for storing digital data in an analog or multilevel memory Physics 42 Expired
US7308044B2 Technique for receiving differential multi-PAM signals Electricity 28 Expired
US7072415B2 Method and apparatus for generating multi-level reference voltage in systems using equalization or crosstalk cancellation Electricity 27 Expired
US6185119A Analog memory IC with fully differential signal path Physics 24 Expired
US7161513B2 Apparatus and method for improving resolution of a current mode driver Electricity 23 Expired
US7368961B2 Clock distribution network supporting low-power mode Physics 18 Expired
US8320494B2 Method and apparatus for generating reference voltage to adjust for attenuation Electricity 16 Active
US8331512B2 Phase control block for managing multiple clock domains in systems with frequency offsets Electricity 16 Active
US7626442B2 Low latency multi-level communication interface Electricity 14 Active
US7162672B2 Multilevel signal interface testing with binary test apparatus by emulation of multilevel signals Physics 14 Expired
US7764095B2 Clock distribution network supporting low-power mode Physics 12 Active
US7554844B2 Integrated circuit with analog or multilevel storage cells and user-selectable sampling frequency Physics 11 Active

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