Tomomi Funayama
63Patents
19h-index
51Co-inventors
87Inventor score
Filing activity: Sep 24, 1990 → Sep 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7957098B2 | Magnetic recording head and magnetic recording apparatus | Physics | 101 | Active |
| US8320079B2 | Magnetic head assembly and magnetic recording/reproducing apparatus | Physics | 67 | Active |
| US8154825B2 | Magnetic recording head and magnetic recording device | Physics | 65 | Active |
| US8270112B2 | Magnetic head with spin oscillation device(s) and magnetic recording device | Physics | 64 | Active |
| US7791829B2 | Apparatus for assisting write operation using high frequency magnetic field in disk drive | Physics | 46 | Active |
| US5920447A | Magnetic disk unit having laminated magnetic heads | Physics | 42 | Expired |
| US9142228B2 | Magnetic recording head having narrow write gap, and disk device provided with the same | Physics | 35 | Active |
| US8164854B2 | Magnetic recording head with spin oscillation device and magnetic recording apparatus including the magnetic recording head | Physics | 34 | Active |
| US8139322B2 | Magnetic recording head with protruding spin torque oscillator | Physics | 33 | Active |
| US8953273B1 | Magnetic disk apparatus | Physics | 25 | Active |
| US8400734B2 | Magnetic recording head and magnetic recording apparatus | Emerging Cross-Sectional Technologies | 25 | Active |
| US6057049A | Exchange coupling film and magnetoresistive element | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8081397B2 | Magnetic head assembly and magnetic recording apparatus | Physics | 24 | Active |
| US7196877B2 | Magnetoresistive element, magnetoresistive head and magnetic reproducing apparatus | Electricity | 24 | Expired |
| US5796560A | Magnetoresistive head | Physics | 23 | Expired |
| US9747932B1 | Magnetic recording head and disk device comprising the same | Physics | 23 | Active |
| US8472140B2 | Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording head | Electricity | 20 | Active |
| US8238060B2 | Magnetic recording head and magnetic recording apparatus | Physics | 19 | Active |
| US5756191A | Exchange coupling film and magnetoresistance effect element | Emerging Cross-Sectional Technologies | 19 | Expired |
| US8238058B2 | Magnetic recording head, magnetic head assembly, and magnetic recording apparatus | Physics | 18 | Active |
| US5818684A | Shield type magnetoresistive head arranged for weakening of a galvano-current magnetic field | Physics | 17 | Expired |
| US6636390B2 | Magnetic head and magnetic recording and reproducing system | Physics | 16 | Expired |
| US8295009B2 | Magnetic recording head and magnetic recording apparatus | Emerging Cross-Sectional Technologies | 16 | Active |
| US8654480B2 | Magnetic head with spin torque oscillator and magnetic recording head | Emerging Cross-Sectional Technologies | 15 | Active |
| US6307708A | Exchange coupling film having a plurality of local magnetic regions, magnetic sensor having the exchange coupling film, and magnetic head having the same | Electricity | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.