Inventor · Kokubunji, JP

Kazumasa Yanagisawa

105Patents
21h-index
124Co-inventors
93Inventor score

Filing activity: Mar 15, 1985 → Aug 14, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5157629A Selective application of voltages for testing storage cells in semiconductor memory arrangements Physics 240 Expired
US4999519A Semiconductor circuit with low power consumption having emitter-coupled logic or differential amplifier Electricity 131 Expired
US6091660A Semiconductor integrated circuit device Physics 97 Expired
US6314044A Semiconductor integrated circuit device Physics 72 Expired
US4964082A Semiconductor memory device having a back-bias voltage generator Physics 58 Expired
US6609236B2 Semiconductor IC device having a memory and a logic circuit implemented with a single chip Electricity 57 Expired
US6787835B2 Semiconductor memories Electricity 46 Expired
US6949782B2 Semiconductor memories Electricity 43 Expired
US7200030B2 Semiconductor memory device Physics 38 Expired
US6847578B2 Semiconductor integrated circuit and data processing system Physics 37 Expired
US6381671B1 Semiconductor integrated circuit and data processing system Physics 34 Expired
US5045904A Semiconductor device including an improved trench arrangement Electricity 33 Expired
US4839865A Selective application of voltages for testing storage cells in semiconductor memory arrangements Physics 31 Expired
US5150325A Bi-CMOS semiconductor memory device, including improved layout structure and testing method Physics 28 Expired
US6115319A Dynamic RAM having word line voltage intermittently boosted in synchronism with an external clock signal Physics 28 Expired
US5371712A Semiconductor memory device having detection circuitry for sensing faults in word lines Physics 25 Expired
US6466482B2 Semiconductor device Physics 22 Expired
US6888395B2 Semiconductor integrated circuit device Electricity 22 Expired
US5226011A Static type RAM Physics 22 Expired
US4736344A Semiconductor memory Physics 22 Expired
US6700429B2 Semiconductor device Electricity 22 Expired
US6108264A Dynamic type semiconductor memory device Physics 21 Expired
US6480425B2 Semiconductor device Physics 21 Expired
US4807190A Semiconductor integrated circuit device Physics 21 Expired
US4961166A Dynamic RAM having a full size dummy cell Physics 21 Expired

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