Mitsuo Okamoto
21Patents
3h-index
34Co-inventors
63Inventor score
Filing activity: Jul 19, 1991 → Mar 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5493155A | Electric power supply system | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5181160A | Driving circuit for inverter microwave oven | Electricity | 15 | Expired |
| US8003991B2 | Silicon carbide MOS field effect transistor with built-in Schottky diode and method for fabrication thereof | Electricity | 7 | Active |
| US7880173B2 | Semiconductor device and method of manufacturing same | Electricity | 3 | Active |
| US7728336B2 | Silicon carbide semiconductor device and method for producing the same | Electricity | 3 | Active |
| US7256082B2 | Production method for semiconductor device | Electricity | 1 | Expired |
| US9923062B2 | Silicon carbide semiconductor device and method of manufacturing a silicon carbide semiconductor device | Electricity | 1 | Active |
| US10096680B2 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Electricity | 1 | Active |
| US7312539B2 | Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system | Electricity | 1 | Expired |
| US7439635B2 | Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system | Electricity | 1 | Active |
| US8952391B2 | Silicon carbide semiconductor device and its manufacturing method | Electricity | 1 | Expired |
| US10600921B2 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Electricity | 1 | Active |
| US9922822B2 | Silicon carbide semiconductor device and manufacturing method of silicon carbide semiconductor device | Electricity | 0 | Active |
| US10163637B2 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Electricity | 0 | Active |
| US10103059B2 | Method of manufacturing silicon carbide semiconductor device and silicon carbide semiconductor device | Electricity | 0 | Active |
| US10770548B2 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Electricity | 0 | Active |
| US9960040B2 | Manufacturing method of silicon carbide semiconductor device | Electricity | 0 | Active |
| US9490338B2 | Silicon carbide semiconductor apparatus and method of manufacturing same | Electricity | 0 | Active |
| US8835933B2 | Recessed gate-type silicon carbide field effect transistor and method of producing same | Electricity | 0 | Active |
| US10249497B2 | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device | Electricity | 0 | Active |
| US11959932B2 | Automatic analyzing apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.