Hiroaki Toda
30Patents
6h-index
38Co-inventors
69Inventor score
Filing activity: May 19, 1983 → Oct 23, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5156003A | Magnetic refrigerator | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5209068A | Static magnetic refrigerator | Emerging Cross-Sectional Technologies | 22 | Expired |
| 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 |
| US4803452A | Superconductor for magnetic field shielding | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5258573A | Superconductor magnetic shield | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7727644B2 | Grain-oriented electrical steel sheet and method for manufacturing grain-oriented electrical steel sheet | Chemistry; Metallurgy | 6 | Active |
| US6602357B2 | Grain oriented electrical steel sheet with low iron loss and production method for same | Electricity | 5 | Expired |
| US6287392A | Grain-oriented silicon steel sheet and process for production thereof | Chemistry; Metallurgy | 4 | Expired |
| US10102951B2 | Non-oriented electrical steel sheet having excellent magnetic properties | Chemistry; Metallurgy | 4 | Active |
| US4523052A | Gas-insulated bushing | Electricity | 4 | Expired |
| US9920393B2 | Method of producing non-oriented electrical steel sheet | Electricity | 4 | Active |
| US5492957A | Face coat composition for casting mold and method for the preparation of casting mold having face coat layer | Chemistry; Metallurgy | 3 | Expired |
| US6475304B2 | Grain-oriented silicon steel sheet and process for production thereof | Chemistry; Metallurgy | 3 | Expired |
| US9466411B2 | Non-oriented electrical steel sheet | Electricity | 3 | Active |
| US10597759B2 | Non-oriented electrical steel sheet having high magnetic flux density and motor | Electricity | 3 | Active |
| US9767946B2 | Non-oriented electrical steel sheet being less in deterioration of iron loss property by punching | Chemistry; Metallurgy | 2 | Active |
| US9978488B2 | Method for producing semi-processed non-oriented electrical steel sheet having excellent magnetic properties | Electricity | 2 | Active |
| US10242782B2 | High-strength electrical steel sheet and method of producing the same | Chemistry; Metallurgy | 2 | Active |
| US10006109B2 | Non-oriented electrical steel sheet and hot rolled steel sheet thereof | Chemistry; Metallurgy | 2 | Active |
| US9947446B2 | Hot-rolled steel sheet for production of non-oriented electrical steel sheet and method of manufacturing same | Emerging Cross-Sectional Technologies | 2 | Active |
| US5457294A | UHV breaker provided with resistances | Electricity | 1 | Expired |
| US9396850B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Chemistry; Metallurgy | 1 | Active |
| US9536657B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Electricity | 1 | Active |
| US10026534B2 | Hot-rolled steel sheet for producing non-oriented electrical steel sheet and method of producing same | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.