Hideki Zaitsu
23Patents
9h-index
32Co-inventors
75Inventor score
Filing activity: Dec 1, 1999 → Mar 27, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6635367B2 | Magnetic recording medium | Emerging Cross-Sectional Technologies | 47 | Expired |
| US7508619B2 | Magnetic head and magnetic disc drive | Physics | 37 | Active |
| US8797672B2 | Dynamic track pitch control for shingled magnetic recording (SMR) | Physics | 22 | Active |
| US6909566B1 | Magnetic recording/reproducing device | Physics | 19 | Expired |
| US7245447B2 | Magnetic read/write apparatus having a write inhibit slice setting circuit | Physics | 19 | Expired |
| US7920359B2 | Magnetic recording apparatus with correlated main magnetic pole-to-shields spacing and main magnetic pole-to-medium layers spacing | Physics | 17 | Active |
| US7646564B2 | Perpendicular magnetic recording head for high frequency drive | Physics | 16 | Active |
| US6760172B1 | Magnetic disk drive | Physics | 10 | Expired |
| US10748567B1 | Data storage device aborting write operation based on accumulated track squeeze metric for adjacent data track | Physics | 9 | Active |
| US6404576B1 | Method and system for compensation of nonlinearity or fluctuation of head-position signal | Physics | 7 | Expired |
| US8018672B2 | Magnetic recording device and magnetic recording method thereof | Physics | 6 | Active |
| US6473254B1 | Method and system for compensation of nonlinearity or fluctuation of head-position signal | Physics | 5 | Expired |
| US6657804B1 | Magnetic recording disk drive | Physics | 4 | Expired |
| US9025420B1 | Self-controlled laser pulsing for thermally assisted recording | Physics | 4 | Active |
| US7031091B2 | Magnetic recording apparatus and method of writing data at low temperature | Physics | 4 | Expired |
| US6717760B2 | Magnetic disk drive | Physics | 3 | Expired |
| US7969678B2 | Magnetic disk drive having assisted recording and methods of recording data thereto | Physics | 3 | Active |
| US6879460B2 | Magnetic recording disk drive | Physics | 2 | Expired |
| US8027113B2 | Magnetic read/write device preventing malfunction due to reversal in polarity | Physics | 1 | Active |
| US8248893B2 | Energy-assisted magnetic-recording head having a magnetic-recording assistance element disposed to lower magnetic-recording field for reversing magnetization in a magnetic-recording disk | Physics | 1 | Active |
| US8169729B2 | Magnetic recording/reproducing using a patterned medium | Physics | 1 | Active |
| US7636212B2 | Magnetic disk drive with control of sense current of magnetic head | Physics | 0 | Active |
| US12431161B1 | Data storage device with track pitch determination for mitigating effects of servo pattern distortion | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.