Hiroyuki Hoshiya
60Patents
15h-index
59Co-inventors
87Inventor score
Filing activity: Apr 13, 1993 → Apr 24, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10366714B1 | Magnetic write head for providing spin-torque-assisted write field enhancement | Physics | 95 | Active |
| US5563752A | Magnetic recording and reproducing device using a giant magnetoresistive film | Physics | 34 | Expired |
| US7532433B2 | Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it | Physics | 31 | Active |
| US9036307B1 | Heat-assisted magnetic recording (HAMR) write head with recessed near-field transducer and optically transparent protective film | Physics | 29 | Active |
| US5843589A | Magnetic layered material, and magnetic sensor and magnetic storage/read system based thereon | Emerging Cross-Sectional Technologies | 28 | Expired |
| US8514527B2 | Magnetoresistive effect head having a multilayered pinned layer and/or free layer having amorphous and crystalline layers, and systems thereof | Electricity | 27 | Active |
| US6690163B1 | Magnetic sensor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5933297A | Magnetic storage/read system with read head including magnetoresistive element | Physics | 25 | Expired |
| US7057853B2 | Magnetic head | Physics | 23 | Expired |
| US8174799B2 | Differential magnetoresistive magnetic head | Physics | 21 | Active |
| US6967823B2 | Magnetic recording head | Physics | 20 | Expired |
| US6087027A | Magnetic layered material, and magnetic sensor and magnetic storage/read system based thereon | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6795277B2 | Magnetic head and magnetic disk drive | Physics | 17 | Expired |
| US8223464B2 | Differential head having a balanced output and method of manufacturing thereof | Physics | 17 | Active |
| US6125019A | Magnetic head including magnetoresistive element | Physics | 16 | Expired |
| US8570689B2 | Differential magnetoresistive effect head and magnetic recording/reading device | Electricity | 15 | Active |
| US7221538B2 | Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it | Physics | 15 | Expired |
| US6456466B1 | Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic head | Physics | 15 | Expired |
| US8779764B2 | Method for producing magnetoresistive effect element, magnetic sensor, rotation-angle detection device | Electricity | 14 | Active |
| US7158351B2 | Magnetic recording and reproducing head restraining a side reading | Physics | 13 | Expired |
| US7426091B2 | Magnetic head | Physics | 12 | Active |
| US8223463B2 | Magnetic read head | Electricity | 9 | Active |
| US7859797B2 | Magnetoresistive head and magnetic storage apparatus | Physics | 9 | Active |
| US5969896A | Magnetic recording/reproducing device with a function of correcting waveform of magnetoresistive-effect head | Physics | 8 | Expired |
| US6934128B2 | Magnetic head and magnetic disk drive | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.