Inventor
ODAI MASAKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “ODAI MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS6614627B1Sep 2, 2003
Magnetic disk apparatus
HITACHI LTD60 citations96
US6724563B2Apr 20, 2004
Two-stage actuator with sensitivity function preventing disturbances at all frequencies
HITACHI LTD29 citations92
US6624982B2Sep 23, 2003
Magnetic disk recording apparatus
HITACHI LTD25 citations92
US9673021B2Jun 6, 2017
Positioning control device
HITACHI LTD4 citations73
US6927947B2Aug 9, 2005
Magnetic disk apparatus
HITACHI LTD10 citations73
US6707633B2Mar 16, 2004
Magnetic disk device including coarse and micro actuators
HITACHI LTD12 citations73
US6961201B2Nov 1, 2005
Magnetic disk apparatus
HITACHI LTD3 citations62
US10452050B2Oct 22, 2019
Positioning system
HITACHI LTD1 citations61
US12459116B2Nov 4, 2025
Control device and automatic work method
HITACHI LTD0 citations50
US10296015B2May 21, 2019
Frequency-characteristics measurement method and positioning control device
HITACHI LTD0 citations41