Akio Shima
33Patents
6h-index
43Co-inventors
65Inventor score
Filing activity: Aug 30, 2002 → Feb 24, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8169819B2 | Semiconductor storage device | Physics | 22 | Active |
| US8563961B2 | Semiconductor storage device and method for manufacturing same | Electricity | 19 | Active |
| US8427865B2 | Semiconductor storage device | Physics | 12 | Active |
| US8541768B2 | Semiconductor device having stacked structural bodies and method for manufacturing the same | Electricity | 8 | Active |
| US9490429B2 | Nonvolatile memory device and method for manufacturing same | Electricity | 6 | Active |
| US9177999B2 | Non-volatile memory device and production method thereof | Electricity | 6 | Active |
| US8866123B2 | Non-volatile memory device and production method thereof | Electricity | 5 | Active |
| US6698223B2 | Energy collecting system and method of operating the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9385320B2 | Semiconductor storage device and method for manufacturing same | Electricity | 3 | Active |
| US10115700B2 | Power module, electrical power conversion device, and driving device for vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US8841646B2 | Semiconductor storage device and method for manufacturing same | Electricity | 1 | Active |
| US10236370B2 | Semiconductor device and method of manufacturing the same, power converter, three-phase motor system, automobile and railway vehicle | Performing Operations; Transporting | 1 | Active |
| US10692860B2 | Power module and power converter | Electricity | 1 | Active |
| US7833866B2 | Manufacture of semiconductor device | Electricity | 1 | Active |
| US11031238B2 | Silicon carbide stacked substrate and manufacturing method thereof | Electricity | 1 | Active |
| US9153774B2 | Nonvolatile memory device and method for manufacturing same | Electricity | 1 | Active |
| US10367090B2 | Silicon carbide semiconductor device, power module, and power conversion device | Electricity | 1 | Active |
| US7174735B2 | Energy collecting system and method of operating the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7098111B2 | Manufacturing method of semiconductor integrated circuit device | Electricity | 1 | Expired |
| US11349000B2 | Semiconductor device, manufacturing method thereof, and pressure transmitter using semiconductor device | Electricity | 1 | Active |
| US7838379B2 | Non-volatile memory device and method of manufacturing the same | Electricity | 0 | Active |
| US7906834B2 | Display device having thin film semiconductor device and manufacturing method of thin film semiconductor device | Electricity | 0 | Active |
| US7191610B2 | Energy collecting system and method of operating the same | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10332997B2 | Semiconductor device and method of manufacturing semiconductor device | Electricity | 0 | Active |
| US11239314B2 | Semiconductor device and method of manufacturing the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.