Sunnyvale, CA, United States of America

Kei Hirata

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Headway Technologies, Incorporated. Active years: 2024-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kei Hirata. Retrieved from https://idiyas.com/inventor/kei-hirata-sgump6an

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2024-2026

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2 patents (USPTO):Explore Patents

Title: Kei Hirata: Innovator in Magnetic Recording Technology

Introduction

Kei Hirata is a notable inventor based in Sunnyvale, CA, who has made significant contributions to the field of magnetic recording technology. His innovative work focuses on enhancing the performance and efficiency of magnetic recording heads, which are crucial components in data storage devices.

Latest Patents

Hirata holds a patent for a "Perpendicular magnetic recording head equipping a spin torque oscillator element with an electric current in side gaps." This invention relates to a perpendicular magnetic recording (PMR) write head that incorporates a spin torque oscillator (STO) element. The design is configured to direct an electric current between elements of the write head, improving the interaction with magnetic recording media. The patent outlines a PMR write head that includes a main pole with a tip portion adjacent to an air bearing surface (ABS), a spin torque oscillator element, a side shield layer, and a metallic side gap layer.

Career Highlights

Hirata is currently employed at Headway Technologies, Incorporated, where he continues to develop cutting-edge technologies in magnetic recording. His work has been instrumental in advancing the capabilities of data storage solutions, making them more efficient and reliable.

Collaborations

Throughout his career, Hirata has collaborated with talented individuals such as Kowang Liu and Yue Liu. These partnerships have fostered innovation and have contributed to the successful development of new technologies in the field.

Conclusion

Kei Hirata's contributions to magnetic recording technology exemplify the spirit of innovation in the industry. His patent and ongoing work at Headway Technologies highlight his commitment to advancing data storage solutions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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