Fumio Ohtake
6Patents
4h-index
20Co-inventors
57Inventor score
Filing activity: Jul 3, 1985 → Jan 30, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6939787B2 | Method for fabricating semiconductor device having gate electrode with polymetal structure of polycrystalline silicon film and metal film | Electricity | 92 | Expired |
| US5271197A | Earthquake resistant multi-story building | Fixed Constructions | 31 | Expired |
| US4597278A | Method for producing I-beam having centrally corrugated web | Fixed Constructions | 16 | Expired |
| US7315062B2 | Semiconductor device, mask for impurity implantation, and method of fabricating the semiconductor device | Electricity | 5 | Expired |
| US5110371A | Aluminum alloys for forming colored anodic oxide films thereon and method for producing a sheet material of the alloy | Chemistry; Metallurgy | 4 | Expired |
| US7856892B2 | Flow-rate measuring method and flow-rate measuring device | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.