Fumihito Koike
33Patents
10h-index
31Co-inventors
75Inventor score
Filing activity: Sep 13, 1994 → Jun 24, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6292334A | Thin film magnetic head comprising shield layer having stabilized magnetic domain structure | Physics | 51 | Expired |
| US7433161B2 | Spin-valve element having fixed layer containing nano-oxide layer | Physics | 28 | Expired |
| US5891586A | Multilayer thin-film for magnetoresistive device | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5688380A | Method of producing giant magnetoresistive material film and magnetic head | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5742458A | Giant magnetoresistive material film which includes a free layer, a pinned layer and a coercive force increasing layer | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6500570B2 | Spin-valve magnetoresistive element and method for making the same | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5795663A | Magnetoresistive multilayer film and methods of producing the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7265540B2 | Angle sensor having low waveform distortion | Physics | 15 | Expired |
| US9530957B2 | Magnetic sensor | Physics | 12 | Active |
| US6177207A | Combination read/write thin film magnetic head and its manufacturing method | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5805389A | Magnetoresistive head | Physics | 10 | Expired |
| US6995961B2 | Magnetic sensing element comprising antiferromagnetic layer laminated on free magnetic layer | Physics | 8 | Expired |
| US6150046A | Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6346338B1 | Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5585984A | Magnetic head | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6340520B1 | Giant magnetoresistive material film, method of producing the same magnetic head using the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7193411B2 | Angle sensor having low waveform distortion | Physics | 4 | Active |
| US5675460A | Magnetic head and method of producing the same | Physics | 4 | Expired |
| US6639762B2 | Spin valve thin-film magnetic device having free magnetic layer in ferrimagnetic state and manufacturing method therefor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6697234B2 | Thin-film magnetic head having a shielding layer covered by a high-melting point layer on the magnetoresistive element side | Physics | 2 | Expired |
| US7495868B2 | Exchange coupling film and magnetic sensing element including the same | Electricity | 2 | Expired |
| US9207293B2 | Method for manufacturing a magnetic sensor | Electricity | 1 | Active |
| US7567412B2 | Magnetic sensing element with improved magnetic sensitivity stability and method for producing the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US6387550B1 | Giant magnetoresistive material film, method of producing the same and magnetic head using the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US10650849B2 | Magnetoresistive element having exchange-coupled film including PtCr/XMn antiferromagnetic bilayer | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.