Sei Fukushima
4Patents
2h-index
10Co-inventors
41Inventor score
Filing activity: Sep 15, 2004 → Apr 16, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8197594B2 | Silicon wafer for semiconductor and manufacturing method thereof | Emerging Cross-Sectional Technologies | 4 | Active |
| US7558373B2 | X-ray generator employing hemimorphic crystal and ozone generator employing it | Electricity | 3 | Expired |
| US8142885B2 | Silicon wafer and method for manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US12396197B2 | Semiconductor device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.