Inventor
HARRISON JOEL N
US19 patents
⚠️ This page may combine multiple inventors who share the name “HARRISON JOEL N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUANTUM CORP
14 patentsUS4396959AAug 2, 1983
Data transducer position control system for rotating disk data storage equipment
QUANTUM CORP76 citations96
US6128717AOct 3, 2000
Method and apparatus for storage application programming interface for digital mass storage and retrieval based upon data object type or size and characteristics of the data storage device
QUANTUM CORP138 citations94
US5379439AJan 3, 1995
Fixed disk drive mounted to printed circuit board
QUANTUM CORP37 citations92
US4920434AApr 24, 1990
Fixed disk drive
QUANTUM CORP28 citations92
US4660106AApr 21, 1987
Data transducer position control system for rotating disk data storage equipment
QUANTUM CORP25 citations92
US4593194AJun 3, 1986
Optical encoder with digital gain compensation controlling source intensity
QUANTUM CORP48 citations92
US4490635ADec 25, 1984
Pure torque, limited displacement transducer
QUANTUM CORP40 citations92
US4419701ADec 6, 1983
Data transducer position control system for rotating disk data storage equipment
QUANTUM CORP56 citations92
US4639798AJan 27, 1987
Disk drive having two interactive electromechanical control subsystems
QUANTUM CORP40 citations86
US6622164B1Sep 16, 2003
Mass storage device with network interface
QUANTUM CORP13 citations83
US4814909AMar 21, 1989
Data transducer position control system for rotating disk data storage equipment
QUANTUM CORP23 citations82
US5119254AJun 2, 1992
Data transducer position control system for rotating disk data storage equipment
QUANTUM CORP11 citations73
US4982296AJan 1, 1991
Head and disk assembly for fixed disk drive
QUANTUM CORP15 citations73
US4872074AOct 3, 1989
Data transducer position control system for rotating disk data storage equipment
QUANTUM CORP8 citations73