Inventor · Kawasaki, JP

Ayako Kitamoto

29Patents
12h-index
20Co-inventors
77Inventor score

Filing activity: Jul 29, 1996 → Dec 22, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
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
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
US6201378A Semiconductor integrated circuit Physics 20 Expired
US6236605A Semiconductor integrated circuit and semiconductor memory device including overdriving sense amplifier Physics 16 Expired
US6421292B1 Semiconductor memory, and memory access method Physics 16 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
US5889718A Dynamic type semiconductor memory device Physics 11 Expired
US6111802A Semiconductor memory device Physics 9 Expired
US5943253A Semiconductor memory device with efficient layout Physics 9 Expired
US7079443B2 Semiconductor device Physics 8 Expired
US6147919A Semiconductor memory employing direct-type sense amplifiers capable of realizing high-speed access Physics 8 Expired
US6377101B1 Variable delay circuit and semiconductor integrated circuit device Electricity 8 Expired
US6515927B2 Semiconductor memory having a wide bus-bandwidth for input/output data Physics 6 Expired
US6115284A Memory device with faster write operation Physics 5 Expired
US6611472B2 Memory circuit for preventing rise of cell array power source Physics 4 Expired
US6252269A Semiconductor memory device Electricity 4 Expired
US6621327B2 Substrate voltage selection circuit Electricity 4 Expired
US6529434B2 Semiconductor memory device with concurrent refresh and data access operation Physics 4 Expired

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