Sumie Suda
8Patents
4h-index
15Co-inventors
46Inventor score
Filing activity: Dec 19, 2001 → Jul 22, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7074282B2 | Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring | Chemistry; Metallurgy | 7 | Expired |
| US7615186B2 | Spring steel excellent in sag resistance and fatigue property | Chemistry; Metallurgy | 6 | Expired |
| US7597768B2 | Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring and method of making thereof | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7608130B2 | Method for producing high cleanliness steel excellent in fatigue strength or cold workability | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7429301B2 | Ultra clean spring steel | Emerging Cross-Sectional Technologies | 3 | Active |
| US7763123B2 | Spring produced by a process comprising coiling a hard drawn steel wire excellent in fatigue strength and resistance to setting | Emerging Cross-Sectional Technologies | 2 | Active |
| US8007716B2 | Steel wire for high strength spring excellent in workability and high strength | Chemistry; Metallurgy | 1 | Expired |
| US7615099B2 | Method for producing high cleanness steel excellent in fatigue strength or cold workability | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.