ELPIDA MEMORY, INC.
1,474Patents
1,204Active
1,474Granted
62Portfolio score
Filing activity: Aug 14, 1996 → Jan 19, 2015 · 934 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8198168B2 | Method of manufacturing capacitive insulating film for capacitor | Electricity | 427 | Active |
| US7796453B2 | Semiconductor device | Physics | 409 | Active |
| US8351292B2 | Semiconductor device and data processing system | Electricity | 408 | Active |
| US7123497B2 | Memory module and memory system | Electricity | 150 | Expired |
| US7808093B2 | Stacked semiconductor device | Electricity | 111 | Active |
| US8149906B2 | Data transfer between chips in a multi-chip semiconductor device with an increased data transfer speed | Electricity | 108 | Active |
| US7119428B2 | Semiconductor device | Electricity | 91 | Expired |
| US7508238B2 | Semiconductor integrated circuit device | Electricity | 87 | Active |
| US7187607B2 | Semiconductor memory device and method for manufacturing same | Physics | 80 | Expired |
| US8681578B2 | Semiconductor device that performs refresh operation | Physics | 77 | Active |
| US7633146B2 | Semiconductor device and a method of manufacturing the same | Electricity | 77 | Active |
| US7551502B2 | Semiconductor device | Physics | 75 | Active |
| US6771552B2 | Semiconductor memory device and control method | Physics | 70 | Expired |
| US7155627B2 | Memory system and data transmission method | Physics | 69 | Expired |
| US8076770B2 | Semiconductor device including a first land on the wiring substrate and a second land on the sealing portion | Electricity | 69 | Active |
| US8400805B2 | Semiconductor device | Electricity | 68 | Active |
| US7466577B2 | Semiconductor storage device having a plurality of stacked memory chips | Electricity | 67 | Active |
| US7249289B2 | Method of deciding error rate and semiconductor integrated circuit device | Physics | 67 | Expired |
| US7102905B2 | Stacked memory, memory module and memory system | Emerging Cross-Sectional Technologies | 64 | Expired |
| US7502252B2 | Nonvolatile semiconductor memory device and phase change memory device | Electricity | 63 | Expired |
| US7122463B2 | Manufacturing method of semiconductor device | Electricity | 61 | Expired |
| US6795362B2 | Power controlling method for semiconductor storage device and semiconductor storage device employing same | Physics | 57 | Expired |
| US7633147B2 | Semiconductor unit having two device terminals for every one input/output signal | Emerging Cross-Sectional Technologies | 57 | Expired |
| US7074669B2 | Semiconductor integrated circuit device with capacitor of crown structure and method of manufacturing the same | Electricity | 56 | Expired |
| US6990031B2 | Semiconductor memory device control method and semiconductor memory device | Physics | 53 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.