Kumagaya, Japan

Katsunobu Kiriyama

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi Metals, Ltd., Gunma Electronics, Ltd.. Active years: 1996-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsunobu Kiriyama. Retrieved from https://idiyas.com/inventor/katsunobu-kiriyama

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 = 3.0

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1996-1997

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2 patents (USPTO):Explore Patents

Title: Katsunobu Kiriyama: Innovator in Permanent Magnet Technology

Introduction

Katsunobu Kiriyama is a notable inventor based in Kumagaya, Japan. He has made significant contributions to the field of permanent magnet technology, holding a total of 2 patents. His work focuses on the development of advanced materials and methods for producing permanent magnets.

Latest Patents

Kiriyama's latest patents include a groundbreaking invention titled "Permanent magnet member and method of producing same." This invention describes a permanent magnet member composed of an integral sintered body made of a ferrite magnet material. The integral sintered body features a cylindrical center portion with shaft portions at both ends, each having a smaller diameter than the cylindrical center. The cylindrical center portion is designed with multiple magnetic poles that extend axially and are arranged circumferentially on its outer surface.

Career Highlights

Throughout his career, Katsunobu Kiriyama has worked with prominent companies such as Hitachi Metals, Ltd. and Gunma Electronics, Ltd. His experience in these organizations has allowed him to refine his expertise in magnet technology and contribute to various innovative projects.

Collaborations

Kiriyama has collaborated with several talented individuals in his field, including Mikio Yamamoto and Keitaro Yamashita. These partnerships have fostered a creative environment that has led to the development of new ideas and technologies.

Conclusion

Katsunobu Kiriyama's contributions to permanent magnet technology highlight his innovative spirit and dedication to advancing the field. His patents and collaborations reflect a commitment to excellence in engineering and materials science.

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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