Inventor · Sayama, JP

Kenji Noguchi

44Patents
13h-index
60Co-inventors
84Inventor score

Filing activity: May 28, 1986 → Mar 30, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5021999A Non-volatile semiconductor memory device with facility of storing tri-level data Physics 282 Expired
US5262984A Non-volatile memory device capable of storing multi-state data Physics 148 Expired
US5172339A Semiconductor memory device having error checking and correcting circuit and operating method therefor Physics 87 Expired
US5343434A Nonvolatile semiconductor memory device and manufacturing method and testing method thereof Physics 54 Expired
US4805151A Nonvolatile semiconductor memory device Physics 42 Expired
US4958352A Semiconductor memory device with error check and correcting function Physics 40 Expired
US6566981B2 Surface acoustic wave device having plural ground conductor films in the housing cavity Electricity 35 Expired
US4938276A Method and apparatus for supplying a lead alloy to a casting machine Performing Operations; Transporting 25 Expired
US5105384A Low current semiconductor memory device Physics 18 Expired
US5182725A Nonvolatile semiconductor memory device with reduced variation in source potential of floating gate type memory transistor and operating method therefor Physics 16 Expired
US5105386A Nonvolatile semiconductor memory device with reduced variation in source potential of floating gate type memory transistors and operating method therefor Physics 16 Expired
US5592110A Phase comparison circuit for maintaining a stable phase locked loop circuit in the absence of the pulse of an input signal Electricity 15 Expired
US5583809A Semiconductor memory capable of reducing erase time Physics 13 Expired
US5262342A Method of making a semiconductor memory device having error checking/correcting functions Physics 12 Expired
US5680265A Circuit for detecting contact of MR head with disk surface Physics 11 Expired
US5170227A Mask ROM having monocrystalline silicon conductors Emerging Cross-Sectional Technologies 10 Expired
US4949305A Erasable read-only semiconductor memory device Electricity 7 Expired
US5107313A Floating gate type semiconductor memory device Physics 5 Expired
US7812484B2 Permanent magnet for motor, motor housing, and motor device Electricity 4 Active
US7611664B2 Container for supplying molten metal and safety device Mechanical Engineering; Lighting; Heating 4 Expired
US4719162A Electrophotographically sensitive material for a litho printing plate Physics 4 Expired
US11253924B2 Control device for machine tool and machine tool Physics 3 Active
US10276911B2 Signal processing circuit, signal processing module, and communication apparatus Electricity 2 Active
US11065070B2 Robot system and method of operating the same Emerging Cross-Sectional Technologies 2 Active
US7367791B2 Device for producing annular or arcuate magnet Electricity 2 Expired

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