Inventor · Akishima, JP

Katsutaka Kimura

102Patents
23h-index
76Co-inventors
93Inventor score

Filing activity: Mar 7, 1984 → Jun 1, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6243290A Nonvolatile semiconductor memory device Physics 145 Expired
US5592415A Non-volatile semiconductor memory Electricity 114 Expired
US6091640A Semiconductor integrated circuit with multiple write operation modes Physics 85 Expired
US5550781A Semiconductor apparatus with two activating modes of different number of selected word lines at refreshing Physics 71 Expired
US6285597A Semiconductor integrated circuit and data processing system Physics 65 Expired
US5870218A Nonvolatile semiconductor memory device which stores multi-value information Physics 62 Expired
US6496418B2 Semiconductor integrated circuit and data processing system Physics 55 Expired
US4894696A Dynamic random access memory having a trench capacitor Emerging Cross-Sectional Technologies 54 Expired
US5165009A Neural network processing system using semiconductor memories Physics 53 Expired
US6134148A Semiconductor integrated circuit and data processing system Physics 52 Expired
US4811299A Dynamic RAM device having a separate test mode capability Physics 51 Expired
US5982667A Nonvolatile semiconductor memory device for storing multivalue information by controlling erase and plural write states of each memory cell Physics 39 Expired
US4796234A Semiconductor memory having selectively activated blocks including CMOS sense amplifiers Physics 34 Expired
US7043466B2 Neural network processing system using semiconductor memories Physics 33 Expired
US4930112A Semiconductor device having a voltage limiter Physics 29 Expired
US6459621B1 Semiconductor integrated circuit and data processing system Physics 29 Expired
US6510086B2 Nonvolatile semiconductor memory Electricity 28 Expired
US5299165A Semiconductor memory having one-transistor/one-capacitor memory cells and having both improved noise ratio and high density integration Physics 27 Expired
US6687156B2 Semiconductor integrated circuit device, production and operation method thereof Physics 27 Expired
US6438028B1 Semiconductor integrated circuit device, production and operation method thereof Electricity 27 Expired
US4992985A Method for selectively initiating/terminating a test mode in an address multiplexed DRAM and address multiplexed DRAM having such a capability Physics 26 Expired
US6181603A Nonvolatile semiconductor memory device having plural memory cells which store multi-value information Physics 24 Expired
US6281725A Semiconductor integrated circuit having a clock recovery circuit Electricity 23 Expired
US5430681A Memory cartridge and its memory control method Physics 23 Expired
US5532971A Nonvolatile semiconductor memory having enhanced speed for erasing and programming Physics 23 Expired

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