Inventor

OKADA YUKIMASA

US19 patents

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

OKADA YUKIMASA

WESTERN DIGITAL TECH INC

Two-dimensional magnetic recording (TDMR) read head structure with different stacked sensors and disk drive incorporating the structure

Magnetic read sensors having stabilized upper readers, and related methods

Dual free layer reader head with magnetic seed layer decoupled from shield

Magnetic read sensors and related methods having a rear hard bias and no AFM layer

Read head sensor with balanced shield design

Two-dimensional magnetic recording reader with dual free layer magnetic tunnel junction

DFL TDMR middle shield throat height control for improved stability

Read head sensor with balanced shield design

Magnetic read sensors and related methods having a rear hard bias and no AFM layer

Dual free layer read head having recessed sidewall insulator layer and method of making thereof

DFL reader signal sidebump imbalance reduction

HGST Netherlands BV

Magnetic sensor having optimal free layer back edge shape and extended pinned layer

Magnetic head having a soft magnetic layer formed behind a tunneling magnetoresistance (TMR) sensor in an element height direction

Magnetic head having two domain control layers for stabilizing magnetization of the hard bias layer

Error recovery based on applying current/voltage to a heating element of a magnetic head

Magnetic read head with floating trailing shield

OKADA YUKIMASA

Error recovery based on applying current/voltage to a heating element of a magnetic head

WAGATSUMA TAKASHI

Magnetic head having a thermal fly-height control (TFC) structure under a flat lower shield

HITACHI GLOBAL STORAGE TECH NL

Magnetic head of magnetoresistance effect type with high resistance to external stress