Inventor
HIRANO YOSHIYUKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HIRANO YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS5206772AApr 27, 1993
Magnetic disk apparatus having improved arrangement of head disk assemblies
HITACHI LTD112 citations96
US4651242AMar 17, 1987
Magnetic disk apparatus
HITACHI LTD54 citations95
US5247410ASep 21, 1993
Magnetic disk apparatus using a rotary actuator for magnetic head positioning with reduced vibration
HITACHI LTD53 citations92
US4916342AApr 10, 1990
Rotary actuator
HITACHI LTD13 citations73
US4851939AJul 25, 1989
Actuator driving apparatus and magnetic disk drive system with a smaller number of high power amplifiers than actuators
HITACHI LTD7 citations71