Yasushi Okura
8Patents
4h-index
13Co-inventors
54Inventor score
Filing activity: Aug 5, 2002 → Jan 19, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8076718B2 | Insulated gate semiconductor device and method for producing the same | Electricity | 30 | Active |
| US7470953B2 | Insulated gate type semiconductor device and manufacturing method thereof | Electricity | 15 | Expired |
| US7586151B2 | Insulated gate semiconductor device | Electricity | 14 | Expired |
| US6803667B2 | Semiconductor device having a protective film | Electricity | 13 | Expired |
| US11362012B2 | Semiconductor device | Electricity | 1 | Active |
| US11869961B2 | Semiconductor device and method of manufacturing semiconductor device | Electricity | 0 | Active |
| US11264490B2 | Semiconductor device and method of manufacturing semiconductor device | Electricity | 0 | Active |
| US11804423B2 | Semiconductor device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.