Hirotake Usui
5Patents
4h-index
15Co-inventors
43Inventor score
Filing activity: Mar 4, 1993 → Feb 7, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5700422A | Molten metal supply device | Performing Operations; Transporting | 19 | Expired |
| US5361826A | Laminar flow injection molding apparatus and laminar flow injection molding method | Performing Operations; Transporting | 14 | Expired |
| US5323840A | Metal mold arrangement for casting water-cooled type cylinder block in horizontal type casting machine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5727511A | Cylinder liner and cylinder block and method for producing the cylinder liner and the cylinder block | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5720334A | Casting device for producing closed deck type cylinder block and sand core used in the device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.