Inventor

ROWAN BRYAN S

US6 patents

⚠️ This page may combine multiple inventors who share the name “ROWAN BRYAN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI GLOBAL STORAGE TECH

3 patents

US7309967B2Dec 18, 2007

Motor drive circuitry with regenerative braking for disk drive

HITACHI GLOBAL STORAGE TECH22 citations89

US7332832B2Feb 19, 2008

Removable hard disk drive (HDD) that is hot-plug compatible with multiple external power supply voltages

HITACHI GLOBAL STORAGE TECH4 citations60

US7486463B1Feb 3, 2009

Power disturbance compensation

HITACHI GLOBAL STORAGE TECH0 citations47

IBM

2 patents

US5781363AJul 14, 1998

Servo-free velocity estimator for coil driven actuator arm in a data storage drive

IBM80 citations94

US5963393AOct 5, 1999

Servo-free velocity estimator for coil driven actuator arm in a data storage drive

IBM21 citations91

HITACHI GLOBAL STORAGE TECH NL

1 patent

US7888902B2Feb 15, 2011

Adjustable voice coil motor driver

HITACHI GLOBAL STORAGE TECH NL2 citations53