Hiroi Yamaguchi
33Patents
6h-index
28Co-inventors
69Inventor score
Filing activity: Sep 3, 1996 → Dec 17, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5718775A | Grain-oriented electrical steel sheet and method of manufacturing the same | Chemistry; Metallurgy | 20 | Expired |
| US5853499A | Grain-oriented electrical steel sheet and method of manufacturing the same | Chemistry; Metallurgy | 11 | Expired |
| US6136456A | Grain oriented electrical steel sheet and method | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9406437B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US9330839B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Chemistry; Metallurgy | 6 | Active |
| US5725681A | Process for producing grain oriented silicon steel sheet, and decarburized sheet | Chemistry; Metallurgy | 6 | Expired |
| US9646749B2 | Grain-oriented electrical steel sheet | Chemistry; Metallurgy | 5 | Active |
| US9536658B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Chemistry; Metallurgy | 5 | Active |
| US8784995B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Chemistry; Metallurgy | 4 | Active |
| US9346123B2 | Device to improve iron loss properties of grain oriented electrical steel sheet and method for improving iron loss properties of grain oriented electrical steel sheet | Chemistry; Metallurgy | 4 | Active |
| US9708682B2 | Production method for grain-oriented electrical steel sheet | Electricity | 4 | Active |
| US9984800B2 | Grain-oriented electrical steel sheet and method of manufacturing same | Chemistry; Metallurgy | 3 | Active |
| US9396872B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US9799432B2 | Grain oriented electrical steel sheet | Chemistry; Metallurgy | 2 | Active |
| US5885374A | Process for producing grain oriented silicon steel sheet and decarburized sheet | Chemistry; Metallurgy | 2 | Expired |
| US9953752B2 | Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet | Chemistry; Metallurgy | 1 | Active |
| US10026533B2 | Grain-oriented electrical steel sheet for iron core and method of manufacturing the same | Chemistry; Metallurgy | 1 | Active |
| US10395806B2 | Grain-oriented electrical steel sheet and method of manufacturing the same | Chemistry; Metallurgy | 1 | Active |
| US9514868B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Chemistry; Metallurgy | 1 | Active |
| US9396850B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Chemistry; Metallurgy | 1 | Active |
| US10031068B2 | Steel sheet inspection device, steel sheet inspection method, and steel sheet manufacturing method | Physics | 1 | Active |
| US9536657B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Electricity | 1 | Active |
| US9875832B2 | Grain-oriented electrical steel sheet | Chemistry; Metallurgy | 1 | Active |
| US10062483B2 | Grain-oriented electrical steel sheet and method for improving iron loss properties thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US9905343B2 | Production method for grain-oriented electrical steel sheet and primary recrystallized steel sheet for production of grain-oriented electrical steel sheet | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.