Inventor · Los Gatos, CA, US

Ian Shaeffer

234Patents
16h-index
67Co-inventors
89Inventor score

Filing activity: Apr 29, 2000 → May 31, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7562271B2 Memory system topologies including a buffer device and an integrated circuit memory device Electricity 52 Active
US8352805B2 Memory error detection Electricity 41 Active
US7836378B2 System to detect and identify errors in control information, read data and/or write data Physics 33 Active
US8344475B2 Integrated circuit heating to effect in-situ annealing Electricity 32 Active
US8555116B1 Memory error detection Electricity 30 Active
US7486104B2 Integrated circuit with graduated on-die termination Electricity 29 Active
US7321524B2 Memory controller with staggered request signal output Physics 27 Expired
US9117496B2 Memory device comprising programmable command-and-address and/or data interfaces Electricity 26 Active
US8108607B2 Memory system topologies including a buffer device and an integrated circuit memory device Electricity 24 Active
US8504788B2 Memory controller, system and method for read signal timing calibration Physics 24 Active
US8380943B2 Variable-width memory module and buffer Physics 21 Active
US7729151B2 System including a buffered memory module Electricity 19 Active
US7685364B2 Memory system topologies including a buffer device and an integrated circuit memory device Electricity 17 Active
US8407441B2 Method and apparatus for calibrating write timing in a memory system Physics 16 Active
US9330735B2 Memory with deferred fractional row activation Physics 16 Active
US10381067B2 Memory system topologies including a buffer device and an integrated circuit memory device Electricity 16 Active
US8089824B2 Memory controller with staggered request signal output Physics 15 Active
US6460170B1 Connection block for interfacing a plurality of printed circuit boards Electricity 15 Expired
US9025409B2 Memory buffers and modules supporting dynamic point-to-point connections Emerging Cross-Sectional Technologies 14 Active
US9268719B2 Memory signal buffers and modules supporting variable access granularity Emerging Cross-Sectional Technologies 14 Active
US9007862B2 Reducing memory refresh exit time Physics 13 Active
US9037949B1 Error correction in a memory device Physics 13 Active
US9489323B2 Folded memory modules Emerging Cross-Sectional Technologies 13 Active
US7558150B2 Memory controller with staggered request signal output Physics 13 Active
US8707110B1 Memory error detection Electricity 13 Active

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