Kiyohito Ishida
11Patents
2Active
11Granted
34Portfolio score
Filing activity: Jun 25, 1999 → Dec 13, 2011 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6406566B1 | Copper-based alloy having shape memory properties and superelasticity, members made thereof and method for producing same | Chemistry; Metallurgy | 17 | Expired |
| US6761853B2 | Free-cutting tool steel | Chemistry; Metallurgy | 4 | Expired |
| US6916386B2 | Core wire for a guide wire comprising a functionally graded alloy | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6328822A | Functionally graded alloy, use thereof and method for producing same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7297214B2 | Free cutting alloy | Chemistry; Metallurgy | 3 | Expired |
| US6752883B2 | Free-cutting Ni-base heat-resistant alloy | Chemistry; Metallurgy | 3 | Expired |
| US6667005B2 | Corrosion resistant steel | Chemistry; Metallurgy | 2 | Expired |
| US7381369B2 | Free cutting alloy | Chemistry; Metallurgy | 1 | Expired |
| US7371295B2 | Shape memory alloy and method for producing same | Chemistry; Metallurgy | 1 | Expired |
| US8124008B2 | Free cutting steel | Chemistry; Metallurgy | 1 | Active |
| US9476474B2 | Copper alloy wire and copper alloy spring | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.