Inventor

YONEDA ISAO

JP43 patents

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

YONEDA ISAO

IBM

Disk drive loading/unloading apparatus and method for controlling the apparatus

Disk drive with actuator load/unload controller

Position error signal linearization calibration

Method and system for performing positioning control of a head actuator in a disk device utilizing a digital filter

Adaptive vibration control for servo systems in data storage devices

Method and apparatus for sustaining feedback filter state having periodic output

Method for controlling servo information detection timing and rotational speed of disk, and disk drive

Method and device for error recovery

Head mechanism control apparatus, disk drive, and head unload control method

Disk drive servo control system with selectable filtering for reduction of repeatable runout

Disk drive apparatus and read error recovery method in a disk drive apparatus

Disk drive apparatus and read error recovery method in a disk drive apparatus

Magnetic disk unit and method for controlling the same

Disk drive device and method for controlling the same

Method for unsticking a head/slider assembly from a surface of a magnetic recording disk and a disk drive device

Method of detecting positioning of a magnetic head, and a magnetic disk device

Increased and randomized output sampling to reduce positioning noise in a data storage system

Increased and randomized output sampling to reduce positioning noise in a data storage system

HITACHI GLOBAL STORAGE TECH

Method and system for rotational velocity-based algorithm for vibration compensation in disk drives

Method and system for time-shift based rotational vibration sensing in disk drives

Magnetic disk drive and method for seek operations with reduced noise

Magnetic disk drive and a loading/unloading method

Data storage apparatus with compensation for vibration and control method thereof

Data storage device and control method therefor to prevent off-track writing

Method and system for time-shift based rotational vibration sensing in disk drives

Data storage apparatus and control method thereof with compensation

Magnetic disk drive with controlled transducer movement during a seek

Method and apparatus for detecting servo timing marks in a magnetic disk system

Disk drive device and method for error recovery procedure therefor

Disk drive device and servo control method thereof

Disk drive with reduced vibration due to rotational acceleration of a spindle motor

NEC CORP

Coupling structure of optical fiber and optical semiconductor element

Pitch-converting substrate used in semiconductor lasermodule and semiconductor lasermodule

Array type laser diode

Light receiving device for use in optical fiber communications and the like

Single-type array optical conversion apparatus

SANYO ELECTRIC CO

Electric vacuum cleaner

Electric vacuum cleaner

UCHIDA HIROSHI

Head servo control system and head servo control method

Servo control of a disk drive

SAKAGAMI CHIKAKO

Disk drive and method for head servo control of the disk drive

MITSUBISHI ELECTRIC CORP

Power supply device including a second DC power supply in its load circuit

YONEDA ISAO

Disk drive and servo-control method therefor