Inventor · Kawasaki, JP

Kiyoshi Itano

26Patents
13h-index
15Co-inventors
74Inventor score

Filing activity: Jan 27, 1984 → Oct 7, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5452251A Semiconductor memory device for selecting and deselecting blocks of word lines Physics 44 Expired
US5608670A Flash memory with improved erasability and its circuitry Electricity 43 Expired
US4906862A Semiconductor integrated circuit device having power down mode Electricity 28 Expired
US5105388A Programmable logic device including verify circuit for macro-cell Electricity 27 Expired
US4614881A Integrated semiconductor circuit device for generating a switching control signal using a flip-flop circuit including CMOS FET's and flip-flop setting means Physics 22 Expired
US5576637A XOR CMOS logic gate Electricity 21 Expired
US6646920B2 Nonvolatile semiconductor memory device having electrically and collectively erasable characteristics Physics 20 Expired
US5638323A Nonvolatile semiconductor memory using tunnel effect having a control circuit for simultaneously writing and reading data out of a plurality of memory cells Physics 17 Expired
US5406524A Nonvolatile semiconductor memory that eases the dielectric strength requirements Physics 17 Expired
US4912677A Programmable logic device Electricity 15 Expired
US4604730A Semiconductor memory device Physics 15 Expired
US5592419A Flash memory with improved erasability and its circuitry Electricity 15 Expired
US5770963A Flash memory with improved erasability and its circuitry Electricity 14 Expired
US4893033A Programmable logic array having input transition detection for generating precharge Electricity 13 Expired
US5666314A Semiconductor memory device for selecting and deselecting blocks of word lines Physics 12 Expired
US5581107A Nonvolatile semiconductor memory that eases the dielectric strength requirements Physics 7 Expired
US5631597A Negative voltage circuit for a flash memory Electricity 6 Expired
US5353249A Non-volatile semiconductor memory device Physics 5 Expired
US4615021A Semiconductor memory device Physics 3 Expired
US5815440A Semiconductor memory device with electrically controllable threshold voltage Physics 3 Expired
US6008544A Semiconductor device and manufacturing method of the semiconductor device Electricity 3 Expired
US6574149B2 Semiconductor memory and its usage Physics 2 Expired
US6750520B2 Two-bit semiconductor memory with enhanced carrier trapping Electricity 1 Expired
US6284638A Manufacturing method of a semiconductor device Electricity 1 Expired
US6611464B2 Nonvolatile semiconductor memory device having electrically and collectively erasable characteristics Physics 0 Expired

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