Hino, Japan

Setsuko Kawahara

This inventor holds 16 USPTO granted patents, plus 1 CIPO patent, primarily in Magnetic Recording Media. Top assignee: Konica Corporation. Active years: 1991-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Setsuko Kawahara. Retrieved from https://idiyas.com/inventor/setsuko-kawahara

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 = 4.2

ph-index = 8

Forward Citations = 137(Granted Patents)


Location History:

  • Hino, JP (1991 - 1996)
  • Hinode, JP (1996)

Company Filing History:


Years Active: 1991-1996

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Areas of Expertise:
Magnetic Recording Medium
Ferromagnetic Powder
Coating Apparatus
Manufacturing Method
Anionic Copolymer
Upper Magnetic Layers
Lower Magnetic Layers
Magnetic Layer Design
Data Storage Technology
Recording Techniques
Hino JP
Magnetic Materials
16 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Setsuko Kawahara

Introduction

Setsuko Kawahara is a prominent inventor based in Hino, Japan. She has made significant contributions to the field of magnetic recording technology, holding a total of 16 patents. Her work has greatly influenced the development of audio and video recording mediums.

Latest Patents

Among her latest patents, Kawahara has developed a magnetic recording medium that comprises a non-magnetic support and multiple magnetic layers. This innovative recording medium is designed to enhance electromagnetic conversion characteristics, light-shielding properties, and erasing capabilities. Another notable patent involves a magnetic recording medium with two magnetic layers, which features a specific surface fatty acid content and ferromagnetic powder composition, making it suitable for high-quality audio and video recordings.

Career Highlights

Throughout her career, Kawahara has worked with notable companies, including Konica Corporation. Her expertise in magnetic recording technology has positioned her as a key figure in the industry, contributing to advancements that have shaped modern recording practices.

Collaborations

Kawahara has collaborated with esteemed colleagues such as Yasushi Nakano and Noboru Koyama. These partnerships have fostered innovation and have been instrumental in the development of her patented technologies.

Conclusion

Setsuko Kawahara's contributions to magnetic recording technology exemplify her innovative spirit and dedication to advancing the field. Her patents continue to influence the industry, ensuring high-quality audio and video recording mediums for future generations.

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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