Toru Hiroi
5Patents
3h-index
2Co-inventors
47Inventor score
Filing activity: Oct 17, 1994 → Jan 8, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5637246A | Engine driven arc welder | Performing Operations; Transporting | 19 | Expired |
| US5708254A | Engine driven ARC welder | Performing Operations; Transporting | 16 | Expired |
| US8987638B2 | Engine driven welding machine | Performing Operations; Transporting | 8 | Active |
| US8716626B2 | Shielded metal arc welding machine | Performing Operations; Transporting | 0 | Active |
| US10133891B2 | Portable terminal, data communication system, data communication method and program | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.