Bryan Scott Rowan
18Patents
9h-index
17Co-inventors
69Inventor score
Filing activity: Oct 15, 1996 → May 3, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5781363A | Servo-free velocity estimator for coil driven actuator arm in a data storage drive | Physics | 52 | Expired |
| US5986426A | Adaptive pulse width modulated motor control | Physics | 37 | Expired |
| US5886489A | Apparatus and method for reducing spindle power and acoustic noise in a disk drive | Electricity | 20 | Expired |
| US6067202A | Method and apparatus for controlling spindle motor commutation switching times in a disk drive | Physics | 17 | Expired |
| US7309967B2 | Motor drive circuitry with regenerative braking for disk drive | Electricity | 16 | Expired |
| US6560057B1 | Head positioning system for a disk drive during a power down condition | Physics | 16 | Expired |
| US9792938B1 | Data storage device communicating servo information between servo channels of multiple actuators | Physics | 15 | Active |
| US5963393A | Servo-free velocity estimator for coil driven actuator arm in a data storage drive | Physics | 14 | Expired |
| US7595953B1 | Magnetic recording disk drive with switchable compensation for mechanical and electrical disturbances | Physics | 12 | Active |
| US6181091A | Apparatus and method for control of a multi-pole brushless DC motor in the event of saturation detection | Electricity | 9 | Expired |
| US9934803B1 | Data storage device attenuating multiple actuator coupling disturbance | Physics | 8 | Active |
| US6362766B1 | Variable pulse PWM DAC method and apparatus | Electricity | 8 | Expired |
| US6388832B1 | Method and system for providing spindle motor control for head loading in a disk drive | Physics | 8 | Expired |
| US6262619A | Method and system for power amplifier offset nulling | Physics | 7 | Expired |
| US7957847B2 | Voltage regulating systems responsive to feed-forward information from deterministic loads | Electricity | 4 | Active |
| US7332832B2 | Removable hard disk drive (HDD) that is hot-plug compatible with multiple external power supply voltages | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7888902B2 | Adjustable voice coil motor driver | Physics | 1 | Active |
| US7486463B1 | Power disturbance compensation | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.