SANYO ELECTRIC CO., LTD.
8,967Patents
2,934Active
8,967Granted
53Portfolio score
Filing activity: Nov 12, 1973 → May 3, 2024 · 2,059 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7049190B2 | Method for forming ZnO film, method for forming ZnO semiconductor layer, method for fabricating semiconductor device, and semiconductor device | Electricity | 3,919 | Expired |
| US6834001B2 | Multi-stage switched capacitor DC-DC converter | Electricity | 1,497 | Expired |
| US6465892B1 | Interconnect structure for stacked semiconductor device | Electricity | 533 | Expired |
| US6472293B2 | Method for manufacturing an interconnect structure for stacked semiconductor device | Electricity | 316 | Expired |
| US6252248A | Thin film transistor and display | Electricity | 315 | Expired |
| US6285572A | Method of operating a power supply system having parallel-connected inverters, and power converting system | Emerging Cross-Sectional Technologies | 314 | Expired |
| US5886890A | Power-supply system involving system interconnection | Electricity | 311 | Expired |
| US5521429A | Surface-mount flat package semiconductor device | Electricity | 284 | Expired |
| US5442274A | Rechargeable battery charging method | Emerging Cross-Sectional Technologies | 280 | Expired |
| US6046919A | Solar power generating device | Emerging Cross-Sectional Technologies | 271 | Expired |
| US6903770B1 | Digital camera which produces a single image based on two exposures | Electricity | 255 | Expired |
| US5556671A | Artificial snow in an aggregate form of snow granules | Emerging Cross-Sectional Technologies | 250 | Expired |
| US6366025B1 | Electroluminescence display apparatus | Electricity | 247 | Expired |
| US6954194B2 | Semiconductor device and display apparatus | Electricity | 242 | Expired |
| US5607227A | Linear light source | Emerging Cross-Sectional Technologies | 240 | Expired |
| US6082122A | Method for calibrating a measured value of detecting means | Physics | 240 | Expired |
| US6940214B1 | Electroluminescence display device | Electricity | 240 | Expired |
| US6114715A | Display apparatus using electroluminescence elements | Electricity | 239 | Expired |
| US6246179A | Emissive element and display device using such element | Electricity | 235 | Expired |
| US5571338A | Photovoltaic module and a photovoltaic apparatus | Emerging Cross-Sectional Technologies | 231 | Expired |
| US4879611A | Record mode setting apparatus responsive to transmitted code containing time-start information | Emerging Cross-Sectional Technologies | 229 | Expired |
| US8254668B2 | Method and apparatus for processing three-dimensional images | Electricity | 228 | Active |
| US6993157B1 | Dynamic image processing method and device and medium | Physics | 227 | Expired |
| US7161614B1 | Device and method for converting two-dimensional video to three-dimensional video | Electricity | 226 | Expired |
| US5377864A | Drug dispensing apparatus | Physics | 224 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.