Takahiro Tokumoto

Title: Takahiro Tokumoto and Magnetic Recording Technology

Introduction

Takahiro Tokumoto is an inventor associated with Fuji Electric Co., Ltd. and based in Nagano, Japan. His patent work addresses lubrication and durability in magnetic recording media, including performance with low-levitating recording heads.

Latest Patents

Tokumoto is credited with 1 patent: “Magnetic Recording Medium and Method for Manufacturing the Same.” The invention describes a perfluoropolyether lubricant containing a cyclic triphosphazene end group. This lubricant is intended to improve lubrication quality, resistance to degradation, and contact-start-stop (CSS) durability, including when a low-levitating head is used.

The patent also describes a manufacturing method in which a foundation layer, magnetic layer, and protection layer are formed in sequence on a non-magnetic base. A lubrication layer containing at least one of the specified perfluoropolyether lubricants is then formed over the protection layer.

Career Highlights

Tokumoto’s listed patent reflects work on the materials and layered construction used in magnetic recording media. Its focus is on maintaining reliable lubrication and durability under demanding operating conditions.

Collaborations

The patent lists Youichi Tei and Shinji Shirai among Tokumoto’s coworkers. The available information identifies their association with the work but does not specify their individual contributions.

Conclusion

Takahiro Tokumoto’s patent centers on a specialized lubricant and a manufacturing process designed to support durable magnetic recording media, particularly in systems using low-levitating heads.