Hirohiko Date
2Patents
2h-index
3Co-inventors
27Inventor score
Filing activity: Oct 9, 1981 → Oct 16, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4396822A | Welding wire for automatic arc welding | Performing Operations; Transporting | 26 | Expired |
| US4394560A | Covered electrode containing zirconium for shielded metal arc welding | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.