Takayuki Umaba
6Patents
5h-index
13Co-inventors
56Inventor score
Filing activity: Apr 3, 1980 → Jun 5, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5373786A | Metal mask plate for screen printing | Electricity | 102 | Expired |
| US4746857A | Probing apparatus for measuring electrical characteristics of semiconductor device formed on wafer | Physics | 97 | Expired |
| US5688324A | Apparatus for coating substrate | Electricity | 19 | Expired |
| US5111743A | Screen process printing plate for printing with high precision | Electricity | 11 | Expired |
| US5152219A | Screen process printing apparatus using a screen reinforced by strips | Electricity | 8 | Expired |
| US4314292A | Magnetic recording or reproducing apparatus | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.