Inventor · Beaverton, OR, US

John E. Turner

71Patents
25h-index
47Co-inventors
88Inventor score

Filing activity: Jul 27, 1979 → Jun 15, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5371422A Programmable logic device having multiplexers and demultiplexers randomly connected to global conductors for interconnections between logic elements Electricity 269 Expired
US4761768A Programmable logic device Electricity 209 Expired
US5949710A Programmable interconnect junction Electricity 142 Expired
US4879688A In-system programmable logic device Electricity 127 Expired
US4766569A Programmable logic array Physics 123 Expired
US5272368A Complementary low power non-volatile reconfigurable EEcell Electricity 112 Expired
US5945870A Voltage ramp rate control circuit Physics 77 Expired
US4855954A In-system programmable logic device with four dedicated terminals Electricity 72 Expired
US6025737A Circuitry for a low internal voltage integrated circuit Electricity 71 Expired
US4896296A Programmable logic device configurable input/output cell Electricity 69 Expired
US6604228B1 Technique of fabricating integrated circuits having interfaces compatible with different operating voltage conditions Electricity 63 Expired
US5318924A Nitridation of titanium-tungsten interconnects Electricity 51 Expired
US6147511A Overvoltage-tolerant interface for integrated circuits Electricity 40 Expired
US7227918B2 Clock data recovery circuitry associated with programmable logic device circuitry Electricity 38 Expired
US6175952A Technique of fabricating integrated circuits having interfaces compatible with different operating voltage conditions Electricity 38 Expired
US4300097A Induction balance metal detector with ferrous and non-ferrous metal identification Physics 37 Expired
US6433585B1 Overvoltage-tolerant interface for integrated circuits Electricity 31 Expired
US5521583A Metal detection system Physics 29 Expired
US5220533A Method and apparatus for preventing overerasure in a flash cell Physics 29 Expired
US6472903B1 Programmable logic device input/output architecture with power bus segmentation for multiple I/O standards Electricity 28 Expired
US6876572B2 Programmable logic devices with stabilized configuration cells for reduced soft error rates Physics 27 Expired
US6781409B2 Apparatus and methods for silicon-on-insulator transistors in programmable logic devices Electricity 27 Expired
US6252422A Overvoltage-tolerant interface for intergrated circuits Electricity 26 Expired
US4625706A Elastic powered compressed air gun Mechanical Engineering; Lighting; Heating 26 Expired
US6724222B2 Programmable logic with lower internal voltage circuitry Electricity 26 Expired

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