Inventor · Ebina, JP

Toru Tanzawa

301Patents
27h-index
52Co-inventors
93Inventor score

Filing activity: Jun 28, 1994 → Sep 29, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5774397A Non-volatile semiconductor memory device and method of programming a non-volatile memory cell to a predetermined state Physics 622 Expired
US5555204A Non-volatile semiconductor memory device Physics 141 Expired
US6252798A Nonvolatile semiconductor memory device capable of controlling mutual timing of write voltage pulse and transfer voltage pulse Physics 124 Expired
US6525964B2 Semiconductor memory device Physics 103 Expired
US7277355B2 Method and apparatus for generating temperature-compensated read and verify operations in flash memories Physics 97 Expired
US6320220A Quantum tunneling effect device and semiconductor composite substrate Electricity 89 Expired
US5946231A Non-volatile semiconductor memory device Physics 82 Expired
US6111288A Quantum tunneling effect device and semiconductor composite substrate Electricity 79 Expired
US6363010B1 Nonvolatile semiconductor memory device Physics 76 Expired
US5621682A Memory system Physics 75 Expired
US6014330A Non-volatile semiconductor memory device Physics 75 Expired
US5864504A Nonvolatile semiconductor memory with temperature compensation for read/verify referencing scheme Physics 74 Expired
US6545909B2 Nonvolatile semiconductor memory device Physics 73 Expired
US6282117A Nonvolatile semiconductor memory device Physics 64 Expired
US6639837B2 Non-volatile semiconductor memory device Physics 57 Expired
US5969985A Nonvolatile semiconductor memory device Physics 57 Expired
US6842377B2 Nonvolatile semiconductor memory device with first and second read modes Physics 49 Expired
US6188611A Non-volatile semiconductor memory device Physics 48 Expired
US6807097B2 Non-volatile semiconductor memory device Physics 43 Expired
US6650570B2 Non-volatile semiconductor memory Physics 41 Expired
US6222774A Data-erasable non-volatile semiconductor memory device Physics 40 Expired
US7489556B2 Method and apparatus for generating read and verify operations in non-volatile memories Physics 38 Active
US6044013A Nonvolatile semiconductor memory device Physics 35 Expired
US6064611A Semiconductor memory device Physics 35 Expired
US5969988A Voltage multiplier circuit and nonvolatile semiconductor memory device having voltage multiplier Electricity 34 Expired

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