Kazumichi Tsumura
17Patents
5h-index
14Co-inventors
59Inventor score
Filing activity: Apr 28, 2004 → Aug 28, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10074667B1 | Semiconductor memory device | Electricity | 117 | Active |
| US8435887B2 | Copper interconnect formation | Electricity | 31 | Active |
| US7115999B2 | Semiconductor device and method of manufacturing the same | Electricity | 12 | Expired |
| US8716134B2 | Interconnect structure employing a Mn-group VIIIB alloy liner | Electricity | 7 | Active |
| US7795733B2 | Semiconductor device having aerial wiring and manufacturing method thereof | Electricity | 6 | Active |
| US7687910B2 | Semiconductor device and method of fabricating the same | Electricity | 3 | Active |
| US8772942B2 | Interconnect structure employing a Mn-group VIIIB alloy liner | Electricity | 2 | Active |
| US7470609B2 | Semiconductor device and method for manufacturing the same | Electricity | 2 | Active |
| US8963319B2 | Semiconductor chip with through hole vias | Electricity | 2 | Active |
| US7205664B2 | Semiconductor device and method for manufacturing the same | Electricity | 1 | Expired |
| US9099443B2 | Semiconductor device and manufacturing method thereof | Electricity | 1 | Active |
| US7638829B2 | Capacitor of dynamic random access memory and method of manufacturing the capacitor | Electricity | 1 | Active |
| US7786523B2 | Capacitor of dynamic random access memory and method of manufacturing the capacitor | Electricity | 1 | Active |
| US8754532B2 | Semiconductor device and manufacturing method thereof | Electricity | 1 | Active |
| US8377822B2 | Semiconductor device and manufacturing method thereof | Electricity | 0 | Active |
| US10068775B2 | Method of bonding supporting substrate with device substrate for fabricating semiconductor device | Electricity | 0 | Active |
| US8008186B2 | Semiconductor device and method of fabricating the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.