Yuichi Kamo
15Patents
3h-index
11Co-inventors
57Inventor score
Filing activity: Jul 6, 1983 → Aug 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4499442A | Transfer-type electromagnetic relay comprising a permanent magnet under a fixed contact stud | Electricity | 8 | Expired |
| US4713638A | Polarized electromagnetic relay | Electricity | 6 | Expired |
| US4614927A | Polarized electromagnetic relay | Electricity | 4 | Expired |
| US11306369B2 | High-strength stainless steel seamless pipe for oil country tubular goods, and method for producing same | Chemistry; Metallurgy | 2 | Active |
| US11827949B2 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Chemistry; Metallurgy | 0 | Active |
| US12344910B2 | Duplex stainless steel, seamless steel pipe or tube, and a method of manufacturing the duplex stainless steel | Chemistry; Metallurgy | 0 | Active |
| US12291766B2 | Stainless steel seamless pipe and method for manufacturing same | Chemistry; Metallurgy | 0 | Active |
| US11566301B2 | Dual-phase stainless steel, and method of production thereof | Chemistry; Metallurgy | 0 | Active |
| US12221663B2 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Chemistry; Metallurgy | 0 | Active |
| US11773461B2 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Chemistry; Metallurgy | 0 | Active |
| US11268161B2 | High strength seamless stainless steel pipe and method for producing same | Chemistry; Metallurgy | 0 | Active |
| US11286548B2 | High-strength stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Chemistry; Metallurgy | 0 | Active |
| US12234525B2 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Chemistry; Metallurgy | 0 | Active |
| US11401570B2 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Chemistry; Metallurgy | 0 | Active |
| US12098438B2 | Stainless steel seamless pipe | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.