Tokyo, Japan

Youichi Nagai

This inventor holds 1 USPTO granted patent. Top assignee: Dai Nippon Printing Co., Ltd.. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youichi Nagai. Retrieved from https://idiyas.com/inventor/youichi-nagai-wt0kf406

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2005

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1 patent (USPTO):Explore Patents

Title: Youichi Nagai: Innovator in Magnetic Head Suspension Technology

Introduction

Youichi Nagai, an esteemed inventor based in Shinjuku-ku, Japan, is recognized for his significant contribution to the field of magnetic head suspension technology. With one patent to his name, Nagai's work exemplifies innovation that enhances the efficiency and reliability of magnetic suspension systems.

Latest Patents

Nagai's notable patent is titled "Magnetic head suspension with both protected wiring and unprotected wiring, in addition to terminals." This innovative design features an insulating base with wiring parts formed on one surface, incorporating a conductive metal layer. An elastic metal plate is positioned on the opposite side of the insulating base, while a wiring protecting layer covers the wiring parts. Notably, the wiring protecting layer is created through exposure and developing processes using a dry film that includes an epoxy resin, an acrylic resin, and a polymer containing aromatic rings.

Career Highlights

Currently, Youichi Nagai applies his expertise at Dai Nippon Printing Co., Ltd., a leading company in the printing and technology sector. His role at the company has allowed him to contribute to advancements in magnetic head suspension, paving the way for improved applications in various technologies.

Collaborations

Throughout his career, Nagai has collaborated with talented individuals, including coworkers Tooru Serizawa and Terutoshi Momose. Together, they have worked on innovations that push the boundaries of magnetic technology and improve product functionalities.

Conclusion

Youichi Nagai's work in the field of magnetic head suspension technology is a testament to his dedication and innovative spirit. His contributions not only highlight his individual talent but also reflect the collaborative nature of technological advancement. As he continues to work at Dai Nippon Printing Co., Ltd., his impact on the industry will undoubtedly inspire future innovations.

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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