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PLUS DEV CORP
US12 patents
Top patents by PatentIndex Score
US4639863AJan 27, 1987
Modular unitary disk file subsystem
PLUS DEV CORP168 citations98
US4772974ASep 20, 1988
Compact head and disk assembly
PLUS DEV CORP72 citations95
US4712146ADec 8, 1987
Thin and compact micro-Winchester head and disk assembly
PLUS DEV CORP64 citations95
US4647997AMar 3, 1987
Aerodynamic latch for disk file actuator
PLUS DEV CORP101 citations95
US4860194AAug 22, 1989
A method for using a modular unitary disk file subsystem
PLUS DEV CORP24 citations92
US4882671ANov 21, 1989
Microprocessor controlled rigid disk file subsystem
PLUS DEV CORP38 citations91
US4819153AApr 4, 1989
Microprocessor controlled rigid disk file subsystem
PLUS DEV CORP32 citations91
US4914530AApr 3, 1990
Media defect management within disk drive sector format
PLUS DEV CORP31 citations90
US4858034AAug 15, 1989
Modular unitary disk file subsystem with differing density zones
PLUS DEV CORP45 citations87
US4825321AApr 25, 1989
Modular unitary disk file subsystem having increased data storage capacity
PLUS DEV CORP39 citations87
US4703176AOct 27, 1987
Compact polyphase optical position encoder
PLUS DEV CORP23 citations81
US4661696AApr 28, 1987
Optical encoder which use a rectangular photodetector array
PLUS DEV CORP9 citations73