Ryuichi Ozaki
9Patents
3h-index
9Co-inventors
50Inventor score
Filing activity: Mar 19, 1993 → Jul 16, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5597425A | Rare earth cast alloy permanent magnets and methods of preparation | Chemistry; Metallurgy | 13 | Expired |
| US5565043A | Rare earth cast alloy permanent magnets and methods of preparation | Chemistry; Metallurgy | 9 | Expired |
| US5538565A | Rare earth cast alloy permanent magnets and methods of preparation | Chemistry; Metallurgy | 8 | Expired |
| US6136099A | Rare earth-iron series permanent magnets and method of preparation | Chemistry; Metallurgy | 2 | Expired |
| US5560784A | Rare earth cast alloy permanent magnets and methods of preparation | Chemistry; Metallurgy | 1 | Expired |
| US12247790B2 | Heat storage device | Emerging Cross-Sectional Technologies | 0 | Active |
| US12286923B2 | Supercooling cancellation device, heat storage device, and power unit | Emerging Cross-Sectional Technologies | 0 | Active |
| US11274638B2 | Fluid heating device, motor system, movable object, and hydraulic system | Emerging Cross-Sectional Technologies | 0 | Active |
| US12018895B2 | Supercooling release device, heat storage device and power unit | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.