Masayoshi Endo

Title: **Masayoshi Endo: A Pioneer in Magnetic Write Head Technology**

Introduction

Masayoshi Endo, an accomplished inventor based in Odawara, Japan, has made significant contributions to the field of magnetic write head technology. With a total of four patents to his name, Endo has developed innovative solutions that improve data storage and retrieval processes in magnetic disks.

Latest Patents

Endo's most recent inventions include a magnetic write head featuring a recessed trailing shield and a trailing magnetic return pole. This design incorporates a write pole along with a trailing shield that is separated from the write pole by a non-magnetic trailing gap layer. The trailing magnetic return pole connects with the trailing magnetic shield, and both components are designed with surfaces that face the media facing surface. The tapering of these surfaces away from the media facing surface effectively prevents far track interference by eliminating stray magnetic fields from inadvertently affecting the magnetic media.

Another notable patent involves a magnetic head slider characterized by side pads of specific dimensions. The slider is designed for optimal performance on magnetic disks, featuring a leading edge, trailing edge, and an air bearing surface. This includes a front step bearing of submicron depth, along with a deeper recess forming a negative pressure area for enhanced performance. The side pads vary in width and length, with the width exceeding the length, ensuring precise operation during data access.

Career Highlights

Throughout his career, Masayoshi Endo has worked for prominent companies like Hitachi, Ltd. and Western Digital Technologies, Inc. His efforts have been instrumental in advancing magnetic write head designs and enhancing data storage technologies.

Collaborations

Endo has collaborated with notable engineers, including Hidekazu Kohira and Masaaki Matsumoto. Their collective expertise has driven significant innovations in the field, further propelling advancements in magnetic technology.

Conclusion

Masayoshi Endo's innovative contributions to magnetic write head technology highlight his importance as an inventor in the modern era of data storage. His latest patents demonstrate a commitment to improving performance and reliability in magnetic data retrieval systems, positioning him as an influential figure in the technology landscape.