Fumiko Akagi
13Patents
5h-index
18Co-inventors
59Inventor score
Filing activity: Nov 5, 1999 → Oct 29, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6635367B2 | Magnetic recording medium | Emerging Cross-Sectional Technologies | 47 | Expired |
| US8264918B2 | Near-field recording device having heating mechanism positioned near a trailing side of a magnetic pole | Physics | 14 | Active |
| US8089829B2 | Thermally assisted recording media and system | Physics | 7 | Active |
| US7773331B2 | Thermally assisted magnetic recording system | Physics | 6 | Active |
| US6940690B2 | MAGNETIC HEAD WITH HIGH RELIABILITY OF THE DATA PROTECTION, MAGNETIC DISK APPARATUS INCLUDING THE MAGNETIC HEAD AND THE METHOD OF RECORDING INFORMATION ON THE MAGNETIC DISK APPARATUS WITHOUT MISERASING THE PREVIOUSLY RECORDED DATA | Physics | 5 | Expired |
| US6456448B1 | Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization | Physics | 4 | Expired |
| US7221530B2 | Magnetic head with high reliability of the data protection, magnetic disk apparatus including the magnetic head and the method of recording information on the magnetic disk apparatus without miserasing the previously recorded data | Physics | 4 | Expired |
| US6671116B2 | Magnetic recording system including magnetic recording medium having three-dimensional random orientation of axis of easy magnetization | Physics | 3 | Expired |
| US7446969B2 | Thermally assisted recording system | Electricity | 3 | Expired |
| US8130598B2 | Head for thermal assisted magnetic recording device, and thermal assisted magnetic recording device | Physics | 3 | Active |
| US8351144B2 | Thermally assisted magnetic recording head, recording system, and recording method | Physics | 1 | Active |
| US7813071B2 | Thermally assisted recording system | Electricity | 1 | Active |
| US7645528B2 | Magnetic recording media with ultra-high recording density | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.