Inventor · Seoul, KR

Hak-Soo Yu

63Patents
9h-index
70Co-inventors
81Inventor score

Filing activity: Oct 8, 1997 → Jul 18, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8619490B2 Semiconductor memory devices Physics 175 Active
US6091663A Synchronous burst semiconductor memory device with parallel input/output data strobe clocks Physics 27 Expired
US9053813B2 Method and apparatus for refreshing and data scrubbing memory device Physics 24 Active
US6366149B1 Delay circuit having variable slope control and threshold detect Electricity 20 Expired
US5991233A Switch signal generators for simultaneously setting input/output data paths, and high-speed synchronous SRAM devices using the same Physics 13 Expired
US9600362B2 Method and apparatus for refreshing and data scrubbing memory device Physics 12 Active
US9058897B2 Semiconductor memory device storing memory characteristic information, memory module and memory system having the same, and operating method thereof Physics 11 Active
US6166969A Method and apparatus for a level shifter for use in a semiconductor memory device Electricity 11 Expired
US6128233A Data transmission circuitry of a synchronous semiconductor memory device Physics 10 Expired
US10592467B2 Semiconductor memory device and method of operating a semiconductor device in a processor mode or a normal mode Physics 9 Active
US8553445B2 Semiconductor memory device having stacked structure including resistor-switched based logic circuit and method of manufacturing the same Physics 9 Active
US6147913A Data transmission circuitry of a synchronous semiconductor memory device Physics 9 Expired
US8934311B2 Semiconductor memory device capable of screening a weak bit and repairing the same Physics 9 Active
US8553484B2 Semiconductor memory device for data sensing Physics 8 Active
US7616512B2 Semiconductor memory device with hierarchical bit line structure Physics 8 Active
US9335951B2 Memory device for reducing a write fail, a system including the same, and a method thereof Emerging Cross-Sectional Technologies 8 Active
US8987811B2 Semiconductor devices including a vertical channel transistor and methods of fabricating the same Electricity 8 Active
US9558805B2 Memory modules and memory systems Physics 8 Active
US7489570B2 Semiconductor memory device with hierarchical bit line structure Physics 7 Active
US9268636B2 Semiconductor memory devices including error correction circuits and methods of operating the semiconductor memory devices Physics 7 Active
US8693269B2 Memory device for managing timing parameters Physics 7 Active
US11663008B2 Managing memory device with processor-in-memory circuit to perform memory or processing operation Physics 7 Active
US8730710B2 Semiconductor memory device having stacked structure including resistor-switched based logic circuit and method of manufacturing the same Physics 7 Active
US9632856B2 Semiconductor memory devices including error correction circuits and methods of operating the semiconductor memory devices Physics 6 Active
US8477554B2 Semiconductor memory device Physics 6 Active

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