Naokatsu Suwanai
11Patents
6h-index
17Co-inventors
63Inventor score
Filing activity: Apr 28, 1989 → Sep 21, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5237187A | Semiconductor memory circuit device and method for fabricating same | Electricity | 44 | Expired |
| US5994762A | Semiconductor integrated circuit device including boron-doped phospho silicate glass layer and manufacturing method thereof | Electricity | 40 | Expired |
| US6043118A | Semiconductor memory circuit device and method for fabricating a semiconductor memory device circuit | Electricity | 30 | Expired |
| US5025741A | Method of making semiconductor integrated circuit device with polysilicon contacts | Electricity | 29 | Expired |
| US5389558A | Method of making a semiconductor memory circuit device | Electricity | 27 | Expired |
| US5631182A | Method of making a semiconductor memory circuit device | Electricity | 11 | Expired |
| US7615848B2 | Semiconductor device and a method of manufacturing the same | Electricity | 5 | Active |
| US7189637B2 | Method of manufacturing a semiconductor device having a multi-layered wiring structure | Electricity | 5 | Expired |
| US7705462B2 | Semiconductor device and a method of manufacturing the same | Electricity | 5 | Active |
| US7400046B2 | Semiconductor device with guard rings that are formed in each of the plural wiring layers | Electricity | 4 | Active |
| US7303986B2 | Semiconductor device and a method of manufacturing the same | Electricity | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.