Tagajo, Japan

Toshihiko Yamada

This inventor holds 2 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1979-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Yamada. Retrieved from https://idiyas.com/inventor/toshihiko-yamada-cw192mdl

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 = 2.4

ph-index = 2

Forward Citations = 48(Granted Patents)


Location History:

  • Tagajyo, JP (1979)
  • Tagajo, JP (1982)

Company Filing History:


Years Active: 1979-1982

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2 patents (USPTO):Explore Patents

Title: Toshihiko Yamada: Innovator in Magnetic Recording Technology

Introduction

Toshihiko Yamada is a notable inventor based in Tagajo, Japan. He has made significant contributions to the field of magnetic recording technology. With a total of 2 patents, Yamada's work has had a considerable impact on the industry.

Latest Patents

Yamada's latest patents include advancements in magnetic recording mediums. One patent describes a magnetic recording medium that consists of a flexible non-magnetic base and a magnetic layer. This magnetic layer is composed of magnetic powder dispersed in a resinous binder. The flexible non-magnetic base has specific Young's modulus requirements, ensuring durability and performance. Another patent focuses on a magnetic recording medium formed of a non-magnetic base and a magnetic layer that contains magnetizable particles. This medium also incorporates a lubricating agent, enhancing its functionality.

Career Highlights

Toshihiko Yamada is currently employed at Sony Corporation, a leading company in the electronics industry. His work at Sony has allowed him to explore innovative solutions in magnetic recording technology. Yamada's expertise and dedication have positioned him as a key figure in his field.

Collaborations

Throughout his career, Yamada has collaborated with esteemed colleagues such as Shigeo Kimura and Toshiro Tanaka. These collaborations have fostered a creative environment that has led to groundbreaking advancements in technology.

Conclusion

Toshihiko Yamada's contributions to magnetic recording technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a commitment to enhancing the performance and durability of magnetic recording mediums. Yamada's 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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