Akira Sudo
15Patents
8h-index
30Co-inventors
68Inventor score
Filing activity: Sep 30, 1992 → Mar 18, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5384473A | Semiconductor body having element formation surfaces with different orientations | Electricity | 79 | Expired |
| US5555520A | Trench capacitor cells for a dram having single monocrystalline capacitor electrode | Electricity | 56 | Expired |
| US6163012A | Laser maintaining and repairing apparatus | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6746933B1 | Pitcher-shaped active area for field effect transistor and method of forming same | Electricity | 16 | Expired |
| US6204527A | Semiconductor memory device and method for producing same | Electricity | 15 | Expired |
| US5863837A | Method of manufacturing semiconductor device | Electricity | 14 | Expired |
| US5521407A | Semiconductor memory device having cell isolation structure | Electricity | 13 | Expired |
| US5640035A | MOSFET having improved driving performance | Electricity | 11 | Expired |
| US6376324B1 | Collar process for reduced deep trench edge bias | Electricity | 8 | Expired |
| US6404000B1 | Pedestal collar structure for higher charge retention time in trench-type DRAM cells | Electricity | 8 | Expired |
| US6960514B2 | Pitcher-shaped active area for field effect transistor and method of forming same | Electricity | 5 | Expired |
| US5420462A | Semiconductor device with conductors on stepped substrate having planar upper surfaces | Electricity | 4 | Expired |
| US5602050A | Method of making a semiconductor device with conductors on stepped substrate having planar upper surfaces | Electricity | 4 | Expired |
| US6015731A | Method of manufacturing a semiconductor memory device | Electricity | 3 | Expired |
| US6503798B1 | Low resistance strap for high density trench DRAMS | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.