Seiji Okabe
57Patents
6h-index
34Co-inventors
72Inventor score
Filing activity: Feb 8, 1994 → Jun 17, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6562473B1 | Electrical steel sheet suitable for compact iron core and manufacturing method therefor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5833769A | Wide iron-based amorphous alloy thin strip, and method of making the same | Electricity | 8 | Expired |
| US6811619B2 | Method of manufacturing grain-oriented electrical steel sheets | Chemistry; Metallurgy | 8 | Expired |
| US5703326A | Connection of electrical leads in electroluminescent light by means of parallel connection to a plurality of conductors | Electricity | 7 | 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 |
| US6942740B2 | Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics | Chemistry; Metallurgy | 5 | Expired |
| US9536658B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Chemistry; Metallurgy | 5 | Active |
| US9646749B2 | Grain-oriented electrical steel sheet | Chemistry; Metallurgy | 5 | Active |
| US7371291B2 | Grain-oriented magnetic steel sheet having no undercoat film comprising forsterite as primary component and having good magnetic characteristics | Chemistry; Metallurgy | 4 | Expired |
| US8395261B2 | Semiconductor device | Electricity | 4 | 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 |
| US5456308A | Method and apparatus for manufacturing thin amorphous metal strip | Performing Operations; Transporting | 4 | Expired |
| US10147527B2 | Grain-oriented electrical steel sheet and method for manufacturing same | Chemistry; Metallurgy | 3 | Active |
| US7791198B2 | Semiconductor device including a coupling region which includes layers of aluminum and copper alloys | Electricity | 3 | Active |
| US11495378B2 | Grain-oriented electrical steel sheet, stacked transformer core using the same, and method for producing stacked core | Emerging Cross-Sectional Technologies | 3 | Active |
| US8568857B2 | Grain oriented electrical steel sheet | Emerging Cross-Sectional Technologies | 3 | Active |
| US5522947A | Amorphous iron based alloy and method of manufacture | Chemistry; Metallurgy | 2 | Expired |
| US9396872B2 | Grain oriented electrical steel sheet and method for manufacturing the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US9761361B2 | Grain-oriented electrical steel sheet | Chemistry; Metallurgy | 2 | Active |
| US5466304A | Amorphous iron based alloy and method of manufacture | Chemistry; Metallurgy | 2 | Expired |
| US10518925B2 | Molded paper body with minimal wrinkling and forming method thereof | Emerging Cross-Sectional Technologies | 2 | Active |
| US9704626B2 | Grain-oriented electrical steel sheet and method of manufacturing same | Emerging Cross-Sectional Technologies | 2 | Active |
| US9799432B2 | Grain oriented electrical steel sheet | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.