Inventor · San Jose, CA, US

Andy L. Lee

175Patents
24h-index
104Co-inventors
93Inventor score

Filing activity: Jun 27, 1996 → Dec 23, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6215326A Programmable logic device architecture with super-regions having logic regions and a memory region Electricity 263 Expired
US6157210A Programmable logic device with circuitry for observing programmable logic circuit signals and for preloading programmable logic circuits Physics 133 Expired
US7310757B2 Error detection on programmable logic resources Physics 100 Expired
US7112992B1 Configuration shift register Electricity 98 Expired
US6107824A Circuitry and methods for internal interconnection of programmable logic devices Electricity 97 Expired
US6943580B2 Fracturable lookup table and logic element Electricity 92 Expired
US7000161B1 Reconfigurable programmable logic system with configuration recovery mode Physics 87 Expired
US7126399B1 Memory interface phase-shift circuitry to support multiple frequency ranges Electricity 85 Expired
US7064577B1 Method and apparatus for supporting variable speed configuration hardware Physics 82 Expired
US5977793A Programmable logic device with hierarchical interconnection resources Electricity 66 Expired
US6462577B1 Configurable memory structures in a programmable logic device Electricity 61 Expired
US7702978B2 Soft error location and sensitivity detection for programmable devices Electricity 52 Active
US6201404A Programmable logic device with redundant circuitry Electricity 50 Expired
US6344755B1 Programmable logic device with redundant circuitry Electricity 49 Expired
US6166559A Redundancy circuitry for logic circuits Electricity 45 Expired
US6897678B2 Programmable logic device with circuitry for observing programmable logic circuit signals and for preloading programmable logic circuits Physics 34 Expired
US7123051B1 Soft core control of dedicated memory interface hardware in a programmable logic device Physics 34 Expired
US6034536A Redundancy circuitry for logic circuits Electricity 33 Expired
US7920410B1 Memory elements with increased write margin and soft error upset immunity Physics 28 Active
US7061268B1 Initializing a carry chain in a programmable logic device Electricity 28 Expired
US6128215A Static random access memory circuits Physics 27 Expired
US7167022B1 Omnibus logic element including look up table based logic elements Electricity 27 Expired
US6417694B1 Programmable logic device with hierarchical interconnection resources Electricity 24 Expired
US6965249B2 Programmable logic device with redundant circuitry Electricity 24 Expired
US8072237B1 Computer-aided design tools and memory element power supply circuitry for selectively overdriving circuit blocks Electricity 23 Active

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