Inventor

OHTA MUTSURO

JP30 patents

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

OHTA MUTSURO

HITACHI GLOBAL STORAGE TECH

Data storage device and magnetic disk drive in hermetically sealed condition

Data storage device with load/unload tab inclined towards a disk

Rotating disk storage device with mounting structure and enhanced fixing mechanism

Disk drive apparatus including a load/unload ramp with different angles for standard and depopulated versions

Data storage device with mechanism to control rotation of spindle motor

Head suspension with bridge portion separating apertures near lift tab

Disk device and data-erasing method

Using eddy-currents for releasing actuator suspension assembly of rotary disk storage device

Rotating disk storage device with actuator lock mechanism

Data storage device and disk drive

Data storage device

IBM

Hard disk drive

Inertial latch for an actuator in a disk drive device

Apparatus for guiding and locking a rotary actuator

Actuator arm assembly and wiring aparatus used in a disk storage system for wiring voice coil wires to a flex cable

Transducer suspension system having bosses with different inner diameters, and equal outer diameters

Head assembly, disk drive apparatus, hard disk drive and method for manufacturing disk drive apparatus

System and method of constraining vibration in a disk drive unit and motor device

Structure in a disk drive system for attaching a load beam to a head actuator carriage including a mountplate having side ends surrounding a swage hole

Bearing structure

Disk drive apparatus, hard disk drive, and enclosure for hard disk drive

Disk drive with impulse torque generating element

SUZUKI KENJI

Voice-coil motor with voice coils configured oriented in the same direction and substantially overlayed to reduce head vibrations in a disk drive

Magnetic head drive device with micro-actuators of end arms rotating in a direction opposite micro-actuators of intermediate arms

Flexible-printed-circuit voice-coil assembly configured for integration in a voice-coil motor

WESTERN DIGITAL TECH INC

Sealed bulkhead electrical feed-through X-Y positioning control

HGST Netherlands BV

Base for protecting external welds of hermetically sealed electronic devices

CHAWANYA TAKESHI

Actuator latching mechanism for magnetic disk drive

OHTA MUTSURO

Actuator mechanism for magnetic disk drive

HITACHI GLOBAL STORAGE TECH NL

Head gimbal assembly with recessed portion and manufacturing method thereof