Yasuo Kotake
3Patents
2h-index
3Co-inventors
41Inventor score
Filing activity: Apr 10, 1978 → Jun 19, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4248312A | Method and apparatus for upwardly cutting full cutting face of a shaft without requesting workmen's hands | Fixed Constructions | 5 | Expired |
| US9893643B1 | Semiconductor module, semiconductor device, and electric power device | Electricity | 2 | Active |
| US4207016A | Method and apparatus for supporting the wall of an upwardly excavated shaft | Fixed Constructions | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.