Futoshi Doi
4Patents
4h-index
7Co-inventors
43Inventor score
Filing activity: Oct 26, 2000 → Dec 6, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8701301B2 | Surface texture measuring instrument | Physics | 13 | Active |
| USD840847S1 | Machine for measuring surface shape and surface roughness | General | 6 | Active |
| US6446496B1 | Surface texture measuring instrument | Physics | 5 | Expired |
| US6425285B1 | Drive unit | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.