Kyoko Okada
9Patents
4h-index
12Co-inventors
46Inventor score
Filing activity: Aug 26, 2005 → Mar 29, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7317213B2 | Semiconductor device having super junction structure and method for manufacturing the same | Electricity | 11 | Expired |
| US7417284B2 | Semiconductor device and method of manufacturing the same | Electricity | 7 | Expired |
| US7553731B2 | Method of manufacturing semiconductor device | Electricity | 4 | Active |
| US7893458B2 | Semiconductor device having lateral MOS transistor and zener diode | Electricity | 4 | Active |
| US7465990B2 | Semiconductor device having super junction structure | Electricity | 4 | Expired |
| US7671636B2 | Switching circuit and driving circuit for transistor | Electricity | 3 | Active |
| US7633123B2 | Semiconductor device having super junction structure | Electricity | 3 | Active |
| US8519748B2 | Driving circuit for driving transistor based on control current | Electricity | 2 | Active |
| US8179169B2 | Driving circuit with variable resistor for transistor | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.