Ryosuke Iijima
78Patents
4h-index
29Co-inventors
62Inventor score
Filing activity: Jun 22, 2006 → Jul 13, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10177251B2 | Semiconductor device, inverter circuit, drive device, vehicle, and elevator | Electricity | 5 | Active |
| US9755064B2 | Semiconductor device and method for manufacturing the same | Electricity | 4 | Active |
| US7932150B2 | Lateral oxidation with high-K dielectric liner | Electricity | 4 | Active |
| US9941361B2 | Method for fabricating semiconductor substrate, semiconductor substrate, and semiconductor device | Electricity | 4 | Active |
| US10243038B1 | Semiconductor device | Electricity | 3 | Active |
| US10236339B2 | Semiconductor device | Electricity | 3 | Active |
| US10229994B2 | Semiconductor device | Electricity | 2 | Active |
| US10217811B1 | Semiconductor device, method for manufacturing semiconductor device, inverter circuit, driving device, vehicle, and elevator | Electricity | 2 | Active |
| US9490327B2 | Semiconductor device and method of manufacturing the same | Electricity | 2 | Active |
| US9679971B2 | Semiconductor device | Electricity | 2 | Active |
| US9748343B2 | Semiconductor device | Electricity | 2 | Active |
| US9728608B2 | Semiconductor device, inverter circuit, and vehicle | Electricity | 2 | Active |
| US9825121B2 | Semiconductor device | Electricity | 2 | Active |
| US11201223B2 | Semiconductor device, inverter circuit, drive device, vehicle, and elevator each having a threshold-voltage-increasing portion in silicon carbide layer | Electricity | 1 | Active |
| US9673315B2 | Semiconductor device, inverter circuit, driving device, vehicle, and elevator | Electricity | 1 | Active |
| US9064780B2 | Semiconductor device | Electricity | 1 | Active |
| US11276774B2 | Semiconductor device, inverter circuit, driving device, vehicle, and elevator | Emerging Cross-Sectional Technologies | 1 | Active |
| US11069803B2 | Semiconductor device, method of manufacturing semiconductor device, inverter circuit, driving device, vehicle, and elevator | Electricity | 1 | Active |
| US10431649B2 | Semiconductor device | Electricity | 1 | Active |
| US9812529B2 | Semiconductor device and method for manufacturing the same | Electricity | 1 | Active |
| US9716186B2 | Semiconductor device manufacturing method, and semiconductor device | Electricity | 1 | Active |
| US10249717B2 | Semiconductor device and method for manufacturing the same | Electricity | 1 | Active |
| US9601580B2 | Semiconductor device | Electricity | 0 | Active |
| US11411084B2 | Semiconductor device, inverter circuit, drive device, vehicle, and elevator | Emerging Cross-Sectional Technologies | 0 | Active |
| US10741395B2 | Method for manufacturing semiconductor device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.