Inventor · Princeton, NJ, US

Ruby B. Lee

51Patents
19h-index
38Co-inventors
84Inventor score

Filing activity: Jun 28, 1985 → Feb 9, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5390135A Parallel shift and add circuit and method Physics 123 Expired
US5579253A Computer multiply instruction with a subresult selection option Physics 86 Expired
US8738932B2 System and method for processor-based security Physics 84 Active
US4928239A Cache memory with variable fetch and replacement schemes Physics 72 Expired
US4722050A Method and apparatus for facilitating instruction processing of a digital computer Physics 71 Expired
US6381690B1 Processor for performing subword permutations and combinations Physics 64 Expired
US5636351A Performance of an operation on whole word operands and on operations in parallel on sub-word operands in a single processor Physics 62 Expired
US4763242A Computer providing flexible processor extension, flexible instruction set extension, and implicit emulation for upward software compatibility Physics 58 Expired
US9317708B2 Hardware trust anchors in SP-enabled processors Electricity 52 Active
US5883824A Parallel adding and averaging circuit and method Physics 52 Expired
US5448509A Efficient hardware handling of positive and negative overflow resulting from arithmetic operations Physics 49 Expired
US4755966A Bidirectional branch prediction and optimization Physics 44 Expired
US6286095A Computer apparatus having special instructions to force ordered load and store operations Physics 37 Expired
US5467131A Method and apparatus for fast digital signal decoding Electricity 34 Expired
US9710566B2 User interface for webpage permission requests Physics 31 Active
US5757377A Expediting blending and interpolation via multiplication Physics 28 Expired
US6952478B2 Method and system for performing permutations using permutation instructions based on modified omega and flip stages Electricity 20 Expired
US5673321A Efficient selection and mixing of multiple sub-word items packed into two or more computer words Physics 20 Expired
US5721697A Performing tree additions via multiplication Physics 19 Expired
US5051896A Apparatus and method for nullifying delayed slot instructions in a pipelined computer system Physics 15 Expired
US7274825B1 Image matching using pixel-depth reduction before image comparison Electricity 15 Expired
US7174014B2 Method and system for performing permutations with bit permutation instructions Physics 14 Expired
US5734599A Performing a population count using multiplication Physics 14 Expired
US5278985A Software method for implementing dismissible instructions on a computer Physics 13 Expired
US9784260B2 System and method for processor-based security Physics 10 Active

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