Inventor · Chiba, JP

Chiyoko Tada

12Patents
4h-index
14Co-inventors
57Inventor score

Filing activity: Oct 5, 2000 → Oct 5, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8715837B2 Black-coated steel sheet, worked material, and panel for flat-panel television Emerging Cross-Sectional Technologies 23 Active
US6514357B1 Composition for metal surface treatment and surface treated metallic material Chemistry; Metallurgy 18 Expired
US6878462B1 Surface treated zinc-based metal plated steel sheet Emerging Cross-Sectional Technologies 6 Expired
US7186467B2 Black zinc-plated steel sheet Emerging Cross-Sectional Technologies 5 Expired
US9534136B2 Magnetic steel sheet with semi-organic insulation coating Emerging Cross-Sectional Technologies 1 Active
US10403417B2 Electrical steel sheet provided with insulating coating Electricity 1 Active
US10526672B2 Electrical steel sheet with insulating coating Chemistry; Metallurgy 0 Active
US11177052B2 Method of making an electrical steel sheet provided with insulating coating Electricity 0 Active
US12278024B2 Method of making an electrical steel sheet provided with insulating coating Electricity 0 Active
US7588836B2 Phosphate-treated zinc-coated steel sheet Emerging Cross-Sectional Technologies 0 Expired
US11186076B2 Method of manufacturing electrical steel sheet with adhesive insulating coating and method of manufacturing stacked electrical steel sheet Performing Operations; Transporting 0 Active
US12252792B2 Electrical steel sheet having insulating coating Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.