Inventor · Hitachi, JP

Yoji Nishio

91Patents
20h-index
93Co-inventors
91Inventor score

Filing activity: Sep 1, 1978 → Jan 31, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6628538B2 Memory module including module data wirings available as a memory access data bus Electricity 121 Expired
US6359815B1 Data transmitter Physics 89 Expired
US7102905B2 Stacked memory, memory module and memory system Emerging Cross-Sectional Technologies 64 Expired
US7633147B2 Semiconductor unit having two device terminals for every one input/output signal Emerging Cross-Sectional Technologies 57 Expired
US6269051A Semiconductor device and timing control circuit Physics 57 Expired
US4237543A Microprocessor controlled display system Physics 48 Expired
US6661092B2 Memory module Electricity 46 Expired
US6937494B2 Memory module, memory chip, and memory system Physics 38 Expired
US5880602A Input and output buffer circuit Electricity 36 Expired
US6707726B2 Register without restriction of number of mounted memory devices and memory module having the same Physics 35 Expired
US5854562A Sense amplifier circuit Physics 34 Expired
US6212127A Semiconductor device and timing control circuit Physics 34 Expired
US7095661B2 Semiconductor memory module, memory system, circuit, semiconductor device, and DIMM Physics 30 Expired
US8064222B2 Semiconductor integrated circuit device Electricity 27 Active
US6970369B2 Memory device Physics 26 Expired
US4719373A Gate circuit of combined field-effect and bipolar transistors Electricity 26 Expired
US5001365A Logic circuit using bipolar and field effect transistor, including a delayed switching arrangement Electricity 24 Expired
US5677641A Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of them Electricity 24 Expired
US6519173B2 Memory system Electricity 23 Expired
US7385281B2 Semiconductor integrated circuit device Electricity 22 Expired
US5059821A Bi-CMOS driver with two CMOS predrivers having different switching thresholds Electricity 19 Expired
US6387028B1 Packaging machine Performing Operations; Transporting 18 Expired
US6657459B2 Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of them Electricity 17 Expired
US8347057B2 Memory module Physics 17 Active
US4890017A CMOS-BiCMOS gate circuit Electricity 17 Expired

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