Masashi Sahashi
124Patents
31h-index
79Co-inventors
93Inventor score
Filing activity: Jun 28, 1982 → Apr 20, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4959631A | Planar inductor | Electricity | 262 | Expired |
| US5549978A | Magnetoresistance effect element | Emerging Cross-Sectional Technologies | 145 | Expired |
| US5583474A | Planar magnetic element | Emerging Cross-Sectional Technologies | 138 | Expired |
| US6338899B1 | Magnetoresistance effect element, magnetic head, magnetic head assembly, magnetic storage system | Emerging Cross-Sectional Technologies | 132 | Expired |
| US6303218A | Multi-layered thin-film functional device and magnetoresistance effect element | Emerging Cross-Sectional Technologies | 88 | Expired |
| US6593841B1 | Planar magnetic element | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5949622A | Magnetoresistance effect element | Physics | 66 | Expired |
| US6937446B2 | Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6404317B1 | Planar magnetic element | Emerging Cross-Sectional Technologies | 63 | Expired |
| US5801521A | Planar magnetic element | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6348274B1 | Magnetoresistive element and magnetic recording apparatus | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4627298A | Torque sensor of the noncontact type | Physics | 55 | Expired |
| US5780176A | Magnetoresistance effect element | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5416353A | Netoresistance effect element | Physics | 45 | Expired |
| US6064552A | Magnetoresistive head having magnetic yoke and giant magnetoresistive element such that a first electrode is formed on the giant magnetoresistive element which in turn is formed on the magnetic yoke which acts as a second electrode | Physics | 42 | Expired |
| US6676772B2 | Magnetic material | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6495275B2 | Multi-layered thin-film functional device and magnetoresistance effect element | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6784509B2 | Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus | Electricity | 40 | Expired |
| US6905780B2 | Current-perpendicular-to-plane-type magnetoresistive device, and magnetic head and magnetic recording-reproducing apparatus using the same | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6043515A | Optical semiconductor device | Electricity | 38 | Expired |
| US7046489B2 | Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5552949A | Magnetoresistance effect element with improved antiferromagnetic layer | Electricity | 37 | Expired |
| US5184037A | Magnetostriction type actuator | Electricity | 37 | Expired |
| US7116529B2 | Magnetoresistive element in which pinned magnetization layers have antiparallel pinned directions, magnetic head and magnetic recording/reproducing apparatus | Physics | 36 | Expired |
| US6853520B2 | Magnetoresistance effect element | Emerging Cross-Sectional Technologies | 36 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.