Sumito Hashimoto
12Patents
4h-index
20Co-inventors
56Inventor score
Filing activity: Mar 23, 1999 → Jun 28, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6129777A | Method of producing reduced iron agglomerates | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6258149A | Method of producing reduced iron agglomerates | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6660221B2 | Rotary hearth furnace and screw thereof for discharging reduced iron | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6669756B2 | Discharge apparatus for movable hearth type heat-treatment furnace, its operation method, and method and apparatus for manufacturing molten iron using the same | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6814924B2 | Rotary hearth furnace and screw thereof for discharging reduced iron | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6790255B2 | Moving-hearth heating furnace and method for making reduced metal agglomerates | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8034283B2 | Rotary hearth furnace and method of operating the same | Chemistry; Metallurgy | 0 | Active |
| US7204689B2 | Seal structure of solid feeding screw, and method of manufacturing reduced metal using the seal structure | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7922484B2 | Rotary hearth furnace | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7993572B2 | Screw conveyor and operation control method for the same | Performing Operations; Transporting | 0 | Expired |
| US11428468B2 | Rotary hearth furnace, and method for producing reduced iron using rotary hearth furnace | Chemistry; Metallurgy | 0 | Active |
| US9180521B2 | Method for producing granular metallic iron | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.