Inventor · San Carlos, CA, US

Christopher Johnson

81Patents
13h-index
48Co-inventors
84Inventor score

Filing activity: Mar 30, 1999 → Mar 12, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6366578B1 Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for implementing language capabilities using the same Electricity 186 Expired
US6633848B1 Prompt management method supporting multiple languages in a system having a multi-bus structure and controlled by remotely generated commands Electricity 77 Expired
US6754129B2 Memory module with integrated bus termination Electricity 75 Expired
US7149824B2 Dynamically setting burst length of memory device by applying signal to at least one external pin during a read or write transaction Physics 74 Expired
US6934199B2 Memory device and method having low-power, high write latency mode and high-power, low write latency mode and/or independently selectable write latency Physics 37 Expired
US7181401B2 Methods for generating voice prompts using grammatical rules in a system proving TDM voice communications and VOIP communications Electricity 36 Expired
US6888719B1 Methods and apparatuses for transferring heat from microelectronic device modules Electricity 35 Expired
US7027337B2 Memory device and method having low-power, high write latency mode and high-power, low write latency mode and/or independently selectable write latency Physics 29 Expired
US6895474B2 Synchronous DRAM with selectable internal prefetch size Physics 23 Expired
US7149141B2 Memory device and method having low-power, high write latency mode and high-power, low write latency mode and/or independently selectable write latency Physics 21 Expired
US7254067B2 Memory device and method having low-power, high write latency mode and high-power, low write latency mode and/or independently selectable write latency Physics 15 Expired
US8417442B2 Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations Physics 15 Active
US7747933B2 Method and apparatus for detecting communication errors on a bus Physics 13 Active
US6687184B2 Memory device having selectable clock input and method for operating same Physics 9 Expired
US9075041B2 Methods for generating pH/ionic concentration gradient near electrode surfaces for modulating biomolecular interactions Physics 9 Active
US7596461B2 Measurement of air quality in wireless networks Electricity 7 Active
US8296639B2 Method and apparatus for detecting communication errors on a bus Physics 6 Active
US9874538B2 Methods for generating pH/ionic concentration gradient near electrode surfaces for modulating biomolecular interactions Physics 6 Active
US9037451B2 Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for implementing language capabilities using the same Electricity 6 Active
US7120754B2 Synchronous DRAM with selectable internal prefetch size Physics 6 Expired
US8074159B2 Method and apparatus for detecting communication errors on a bus Physics 6 Active
US9910008B2 Methods for generating pH/ionic concentration gradient near electrode surfaces for modulating biomolecular interactions Physics 6 Active
US8755990B2 Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations Physics 5 Active
US10041905B2 Electrochemically active agents for pH modulation in biological buffers Physics 4 Active
US10011549B2 Electrochemically active agents for pH modulation in biological buffers Physics 4 Active

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