Yasushi Akasaka
33Patents
14h-index
45Co-inventors
77Inventor score
Filing activity: May 28, 1993 → May 17, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6541829B2 | Semiconductor device and method of manufacturing the same | Electricity | 203 | Expired |
| US5719410A | Semiconductor device wiring or electrode | Electricity | 131 | Expired |
| US7078776B2 | Low threshold voltage semiconductor device | Electricity | 123 | Expired |
| US6770944B2 | Semiconductor device having counter and channel impurity regions | Electricity | 115 | Expired |
| US6100193A | Method of manufacturing a semiconductor device | Electricity | 113 | Expired |
| US6939787B2 | Method for fabricating semiconductor device having gate electrode with polymetal structure of polycrystalline silicon film and metal film | Electricity | 92 | Expired |
| US5903053A | Semiconductor device | Electricity | 78 | Expired |
| US5907188A | Semiconductor device with conductive oxidation preventing film and method for manufacturing the same | Electricity | 55 | Expired |
| US6346438B1 | Method of manufacturing a semiconductor device | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6617226B1 | Semiconductor device and method for manufacturing the same | Electricity | 44 | Expired |
| US6162741A | Semiconductor device and manufacturing method therefor | Electricity | 42 | Expired |
| US5434440A | Semiconductor device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5898203A | Semiconductor device having solid phase diffusion sources | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6133150A | Semiconductor device and method for manufacturing the same | Electricity | 17 | Expired |
| US5698881A | MOSFET with solid phase diffusion source | Electricity | 14 | Expired |
| US5903027A | MOSFET with solid phase diffusion source | Electricity | 14 | Expired |
| US7071529B2 | Semiconductor device having a Damascene gate or a replacing gate | Electricity | 9 | Expired |
| US7622340B2 | Method for manufacturing semiconductor device | Electricity | 7 | Active |
| US6989316B2 | Semiconductor device and method for manufacturing | Electricity | 7 | Expired |
| US7208797B2 | Semiconductor device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6893980B1 | Semiconductor device and manufacturing method therefor | Electricity | 4 | Expired |
| US7892914B2 | Semiconductor device and manufacturing method thereof | Electricity | 3 | Active |
| US6956259B2 | Semiconductor device and method of manufacturing the same | Electricity | 3 | Expired |
| US7718497B2 | Method for manufacturing semiconductor device | Electricity | 2 | Active |
| US5766965A | Semiconductor device and method of manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.