Yukio Usui
3Patents
1h-index
12Co-inventors
45Inventor score
Filing activity: Mar 23, 1992 → Jun 4, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5223280A | Apparatus for taking residual solid matter out of extrusion head | Performing Operations; Transporting | 2 | Expired |
| US9939382B2 | Method of checking forsterite, apparatus that evaluates forsterite, and production line that manufactures steel sheet | Physics | 1 | Active |
| US10072320B2 | Method of producing steel material | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.