Inventor · Mountain View, CA, US

Krishna Rangasayee

31Patents
16h-index
17Co-inventors
74Inventor score

Filing activity: Oct 30, 1995 → Jul 5, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6704889B2 Enhanced embedded logic analyzer Physics 157 Expired
US6247147A Enhanced embedded logic analyzer Physics 117 Expired
US6272646A Programmable logic device having an integrated phase lock loop Electricity 107 Expired
US6460148B2 Enhanced embedded logic analyzer Physics 96 Expired
US6198303A Configuration eprom with programmable logic Electricity 77 Expired
US6577157B1 Fully programmable I/O pin with memory Electricity 75 Expired
US6058452A Memory cells configurable as CAM or RAM in programmable logic devices Physics 68 Expired
US6286114A Enhanced embedded logic analyzer Physics 56 Expired
US5940852A Memory cells configurable as CAM or RAM in programmable logic devices Physics 47 Expired
US6163166A Programmable logic device with selectable schmitt-triggered and threshold-triggered buffers Electricity 44 Expired
US6472903B1 Programmable logic device input/output architecture with power bus segmentation for multiple I/O standards Electricity 28 Expired
US7142557B2 Programmable logic device for wireless local area network Electricity 24 Expired
US6242941A Reducing I/O noise when leaving programming mode Electricity 23 Expired
US6957283B2 Configurable communication integrated circuit Electricity 23 Expired
US6263400A Memory cells configurable as CAM or RAM in programmable logic devices Physics 21 Expired
US6377069B1 Programmable logic device input/output architecture with power bus segmentation for multiple I/O standards Electricity 18 Expired
US6060903A Programmable logic device architecture incorporating a dedicated cross-bar switch Electricity 16 Expired
US6404225B1 Integrated circuit incorporating a programmable cross-bar switch Electricity 16 Expired
US6181159A Integrated circuit incorporating a programmable cross-bar switch Electricity 15 Expired
US6625796B1 Apparatus and method for programming a set of programmable logic devices in parallel Physics 13 Expired
US6104208A Programmable logic device incorporating function blocks operable as wide-shallow RAM Electricity 12 Expired
US6292017A Programmable logic device incorporating function blocks operable as wide-shallow RAM Electricity 9 Expired
US5638008A Method and apparatus for generating an asynchronously clocked signal in a synchronously clocked programmable device Electricity 8 Expired
US6356108B2 Programmable logic device incorporating function blocks operable as wide-shallow RAM Electricity 8 Expired
US6363505B1 Programmable control circuit for grounding unused outputs Physics 7 Expired

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