Toshihiro Tanaka
158Patents
25h-index
215Co-inventors
93Inventor score
Filing activity: Mar 21, 1977 → Oct 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5446690A | Semiconductor nonvolatile memory device | Physics | 432 | Expired |
| US6542411B2 | Nonvolatile memory and semiconductor device with controlled voltage booster circuit | Physics | 231 | Expired |
| US5592415A | Non-volatile semiconductor memory | Electricity | 114 | Expired |
| US5422856A | Non-volatile memory programming at arbitrary timing based on current requirements | Physics | 111 | Expired |
| US5469390A | Semiconductor memory system with the function of the replacement to the other chips | Physics | 86 | Expired |
| US6519184B2 | Non-volatile memory device with plurality of threshold voltage distributions | Physics | 59 | Expired |
| US5808944A | Semiconductor memory device having a defect relief arrangement | Physics | 57 | Expired |
| US5151385A | Method of manufacturing a metallic silicide transparent electrode | Emerging Cross-Sectional Technologies | 53 | Expired |
| US7057230B2 | Nonvolatile semiconductor memory device employing transistors having different gate withstand voltages for enhanced reading speed | Physics | 50 | Expired |
| US6713771B2 | Method and apparatus for electromagnetic irradiation of liquid | Chemistry; Metallurgy | 41 | Expired |
| US6477090B2 | Semiconductor device, microcomputer and flash memory | Physics | 40 | Expired |
| US6288941A | Electrically erasable semiconductor non-volatile memory device having memory cell array divided into memory blocks | Physics | 35 | Expired |
| US5220548A | Disk cartridge storage and retrieval apparatus | Physics | 34 | Expired |
| US6643193B2 | Semiconductor device, microcomputer and flash memory | Physics | 33 | Expired |
| US6567313B2 | Nonvolatile memory, semiconductor device and method of programming to nonvolatile memory | Physics | 33 | Expired |
| US5978270A | Semiconductor non-volatile memory device and computer system using the same | Physics | 30 | Expired |
| US5467309A | Semiconductor nonvolatile memory device having reduced switching overhead time on the program mode | Physics | 29 | Expired |
| US6510086B2 | Nonvolatile semiconductor memory | Electricity | 28 | Expired |
| US5828600A | Non-volatile semiconductor memory | Electricity | 28 | Expired |
| US6122196A | Semiconductor non-volatile storage device capable of a high speed reading operation | Physics | 27 | Expired |
| US6130841A | Semiconductor nonvolatile memory apparatus and computer system using the same | Physics | 26 | Expired |
| US6963507B2 | Nonvolatile memory, semiconductor device, and method of programming to nonvolatile memory | Physics | 25 | Expired |
| US7414283B2 | Semiconductor device | Physics | 25 | Expired |
| US4431543A | Method of removing phosphorus from organic waste liquids | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5581508A | Semiconductor memory having sub-word line replacement | Physics | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.