Hiroo Usui
2Patents
2h-index
7Co-inventors
33Inventor score
Filing activity: Feb 13, 1976 → Dec 17, 1980
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4394191A | Stacked polycrystalline silicon film of high and low conductivity layers | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4016007A | Method for fabricating a silicon device utilizing ion-implantation and selective oxidation | Emerging Cross-Sectional Technologies | 24 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.