Etsuji Ogawa
17Patents
4h-index
19Co-inventors
57Inventor score
Filing activity: Apr 16, 1992 → Aug 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5494749A | Magnetic powder for magnetic recording and magnetic recording medium containing the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US10760910B2 | Sensor device employing MEMS | Performing Operations; Transporting | 7 | Active |
| US5576114A | High density magnetic recording medium containing hexagonal system ferrite powder | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5766763A | Hexagonal system ferrite powder for a high density magnetic recording medium | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5378547A | Magnetic powder for magnetic recording and magnetic recording medium containing the same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5686137A | Method of providing hexagonal ferrite magnetic powder with enhanced coercive force stability | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11834326B2 | Sensor and electronic device | Physics | 0 | Active |
| US12019092B2 | Sensor and electronic device | Physics | 0 | Active |
| US12264916B2 | Sensor and electronic device | Physics | 0 | Active |
| US12352775B2 | Sensor and movable body | Physics | 0 | Active |
| US11531042B2 | Sensor and electronic device | Physics | 0 | Active |
| US11656079B2 | Sensor and electronic device | Physics | 0 | Active |
| US11680800B2 | Sensor and electronic device | Physics | 0 | Active |
| US9045330B2 | MEMS element and method of manufacturing the same | Performing Operations; Transporting | 0 | Active |
| US11796319B2 | Sensor and electronic device | Physics | 0 | Active |
| US11092440B2 | Vibration device and method for controlling the same | Performing Operations; Transporting | 0 | Active |
| US11630121B2 | Sensor and electronic device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.