Inventor · Kawasaki, JP

Masato Matsumiya

62Patents
16h-index
45Co-inventors
84Inventor score

Filing activity: Sep 17, 1992 → Aug 31, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6078514A Semiconductor device and semiconductor system for high-speed data transfer Electricity 49 Expired
US6172537A Semiconductor device Electricity 49 Expired
US6049239A Variable delay circuit and semiconductor integrated circuit device Electricity 44 Expired
US6605963B2 Semiconductor integrated circuit and method of switching source potential of transistor in semiconductor integrated circuit Electricity 41 Expired
US6229363A Semiconductor device Electricity 40 Expired
US6344990B1 DRAM for storing data in pairs of cells Physics 40 Expired
US6618320B2 Semiconductor memory device Physics 38 Expired
US6169701A Semiconductor memory device using shared sense amplifier system Physics 32 Expired
US6628564B1 Semiconductor memory device capable of driving non-selected word lines to first and second potentials Physics 31 Expired
US6115316A Semiconductor memory device with overdriven sense amplifier and stabilized power-supply circuit of source follower type Physics 30 Expired
US5936912A Electronic device and semiconductor memory device using the same Electricity 26 Expired
US7120761B2 Multi-port memory based on DRAM core Physics 25 Expired
US6201378A Semiconductor integrated circuit Physics 20 Expired
US6317353A Semiconductor integrated circuit Physics 16 Expired
US6421292B1 Semiconductor memory, and memory access method Physics 16 Expired
US6236605A Semiconductor integrated circuit and semiconductor memory device including overdriving sense amplifier Physics 16 Expired
US6198686A Memory device having row decoder Physics 14 Expired
US6072749A Memory device preventing a slow operation through a mask signal Physics 13 Expired
US6049493A Semiconductor memory device having a precharge device Physics 12 Expired
US6262930A Semiconductor memory device with overdriven sense amplifier and stabilized power-supply circuit of source follower type Physics 12 Expired
US5703814A Semiconductor memory device having dual boosting circuits to reduce energy required to supply boosting voltages Physics 11 Expired
US6707730B2 Semiconductor memory device with efficient and reliable redundancy processing Physics 11 Expired
US5889718A Dynamic type semiconductor memory device Physics 11 Expired
US6853595B2 Semiconductor memory device Physics 9 Expired
US6111802A Semiconductor memory device Physics 9 Expired

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