Koutarou Hayashi
30Patents
1h-index
35Co-inventors
53Inventor score
Filing activity: Oct 4, 2010 → Nov 8, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10253387B2 | Hot-pressed steel sheet member, method of manufacturing the same, and steel sheet for hot pressing | Chemistry; Metallurgy | 1 | Active |
| US10273555B2 | Hot-pressed steel sheet member | Chemistry; Metallurgy | 1 | Active |
| US10501832B2 | Plated steel sheet | Chemistry; Metallurgy | 1 | Active |
| US10266911B2 | Hot-formed member and manufacturing method of same | Chemistry; Metallurgy | 0 | Active |
| US11486028B2 | High-strength steel sheet | Chemistry; Metallurgy | 0 | Active |
| US11732341B2 | Metal coated steel sheet, manufacturing method of hot-dip galvanized steel sheet, and manufacturing method of alloyed galvannealed steel sheet | Chemistry; Metallurgy | 0 | Active |
| US10344351B2 | Hot-pressed steel sheet member, method of manufacturing the same, and steel sheet for hot pressing | Chemistry; Metallurgy | 0 | Active |
| US10774405B2 | Steel and method of manufacturing the same | Chemistry; Metallurgy | 0 | Active |
| US11242583B2 | Steel sheet | Emerging Cross-Sectional Technologies | 0 | Active |
| US10711322B2 | Hot-pressed steel sheet member, method of manufacturing the same, and steel sheet for hot pressing | Chemistry; Metallurgy | 0 | Active |
| US11505855B2 | High-strength steel sheet | Chemistry; Metallurgy | 0 | Active |
| US10745775B2 | Galvannealed steel sheet and method for producing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US12203157B2 | Hot-rolled steel sheet | Chemistry; Metallurgy | 0 | Active |
| US12043606B2 | Fluorolactone and method for producing same | Chemistry; Metallurgy | 0 | Active |
| US12392020B2 | Hot-rolled steel sheet | Chemistry; Metallurgy | 0 | Active |
| US9038372B2 | Exhaust purification system of internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US12180557B2 | Cold rolled steel sheet and method for producing same | Chemistry; Metallurgy | 0 | Active |
| US12060623B2 | High-strength steel sheet with excellent ductility and hole-expandability | Chemistry; Metallurgy | 0 | Active |
| US11634802B2 | Cold-rolled steel sheet | Chemistry; Metallurgy | 0 | Active |
| US12031203B2 | Galvannealed steel sheet | Chemistry; Metallurgy | 0 | Active |
| US12116646B2 | Hot-rolled steel sheet | Chemistry; Metallurgy | 0 | Active |
| US11225701B2 | Hot dip galvanized steel sheet and hot dip galvannealed steel sheet | Emerging Cross-Sectional Technologies | 0 | Active |
| US12297524B2 | Hot-rolled steel sheet | Chemistry; Metallurgy | 0 | Active |
| US11970758B2 | Hot-rolled steel sheet | Chemistry; Metallurgy | 0 | Active |
| US12123064B2 | Hot-rolled steel sheet | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.