Tokyo, Japan

Yuji Doki

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Doki. Retrieved from https://idiyas.com/inventor/yuji-doki

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: Yuji Doki: Innovator in Magnetic Recording Technology

Introduction

Yuji Doki is a prominent inventor based in Tokyo, Japan. He is known for his contributions to the field of magnetic recording technology. His innovative work has led to the development of a unique magnetic recording medium that enhances performance and efficiency.

Latest Patents

Yuji Doki holds a patent for a magnetic recording medium. This medium comprises a substrate coated with a mixture that includes hexagonal plate-like shaped ferrite magnetic powder particles with an average particle diameter of 0.2 µm or less, along with a binder resin having an active hydrogen equivalent of 2000 or more. The invention displays no flocculation of the hexagonal system ferrite magnetic powder, ensuring excellent dispersion properties and perpendicular orientation ability. Additionally, the smoothness of the coating film is commendable, and the signal-to-noise (S/N) properties are significantly improved.

Career Highlights

Yuji Doki is associated with Kabushiki Kaisha Toshiba, a leading company in technology and innovation. His work at Toshiba has been instrumental in advancing magnetic recording technologies, contributing to the company's reputation for excellence in the field.

Collaborations

Yuji Doki has collaborated with notable colleagues, including Hirohisa Kato and Toshihiko Oguchi. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Yuji Doki's contributions to magnetic recording technology exemplify the spirit of innovation. His patent for a magnetic recording medium showcases his expertise and commitment to enhancing technological advancements. His work continues to influence the industry and 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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