Masaaki Usui
8Patents
3h-index
6Co-inventors
50Inventor score
Filing activity: Feb 21, 1990 → Mar 1, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5084107A | Solar cell and solar cell array with adhered electrode | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5151373A | Method of making a solar cell electrode | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5131956A | Photovoltaic semiconductor device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7069241B1 | Method and system for unified management of plurality of assets using computer network | Physics | 3 | Expired |
| US9793911B2 | Semiconductor device including analog to digital conversion circuit | Electricity | 2 | Active |
| US7676417B2 | Method and system for unified management of plurality of assets using computer network | Physics | 0 | Active |
| US10003351B2 | Semiconductor device including analog-to-digital conversion circuit | Electricity | 0 | Active |
| US12160245B2 | AD converter and semiconductor device including the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.