Inventor

MATSUZAWA TAKUJI

JP19 patents

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

MATSUZAWA TAKUJI

TOSHIBA KK

Magnetic disk apparatus and data recording method

Magnetic disk drive having microactuator

Magnetic disk device and method for suppressing disturbance component having harmonic

Magnetic disk device and method of reducing microactuator voltage

Magnetic disk device

Disc device, controlling device and method

Disk storage apparatus and method for servo controlling

Magnetic disk device and parameter setting method of magnetic disk device

Dual state actuators controlling for magnetic recording device

Disk apparatus, driver circuit, and control method

Disk storage apparatus and method for servo controlling

Magnetic disk device

Magnetic disk drive

Magnetic disk drive and method of setting a notch filter of the drive

Magnetic disk device and filter coefficient setting method of the magnetic disk device

Position detecting device for detecting position in accordance with periodically arranged information, position control device, disk storage device, and position detecting method

Disk storage apparatus and servo control method

MATSUZAWA TAKUJI

Magnetic disk drive having dual-stage actuator and head position estimation method for the same

Piezoelectric device drive method, piezoelectric device drive apparatus, and magnetic disk device