Hiroi Oka
18Patents
6h-index
34Co-inventors
66Inventor score
Filing activity: Apr 26, 1991 → Jun 27, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6552421B2 | Semiconductor device and a method of manufacturing the same | Electricity | 73 | Expired |
| US5200366A | Semiconductor device, its fabrication method and molding apparatus used therefor | Emerging Cross-Sectional Technologies | 38 | Expired |
| US7220617B2 | Semiconductor device and method of manufacturing the same | Electricity | 12 | Expired |
| US9607940B2 | Semiconductor device | Electricity | 9 | Active |
| US7528489B2 | Semiconductor apparatus and manufacturing method | Electricity | 7 | Active |
| US7579677B2 | Semiconductor device and method for manufacturing thereof | Electricity | 6 | Active |
| US7405469B2 | Semiconductor device and method of manufacturing the same | Electricity | 6 | Active |
| US8643185B2 | Semiconductor apparatus, manufacturing method of semiconductor apparatus, and joint material | Emerging Cross-Sectional Technologies | 6 | Active |
| US7977775B2 | Semiconductor device and manufacturing method of the same | Electricity | 6 | Active |
| US7667307B2 | Semiconductor device | Electricity | 2 | Active |
| US8252632B2 | Semiconductor device and manufacturing method of the same | Electricity | 1 | Active |
| US10347567B2 | Semiconductor device and method of manufacturing the same | Electricity | 1 | Active |
| US10037932B2 | Semiconductor device and method of manufacturing the same | Electricity | 1 | Active |
| US9716027B2 | Method for manufacturing semiconductor device | Electricity | 1 | Active |
| US9922905B2 | Semiconductor device | Electricity | 1 | Active |
| US10395967B2 | Method for manufacturing semiconductor device | Electricity | 1 | Active |
| US10262927B2 | Semiconductor device and manufacturing method thereof | Electricity | 0 | Active |
| US10388597B2 | Manufacturing method for semiconductor device and semiconductor device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.