Kamakura, Japan

Katsumi Tomiyama

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1993-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Tomiyama. Retrieved from https://idiyas.com/inventor/katsumi-tomiyama

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 = 10.0

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1993-1994

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2 patents (USPTO):Explore Patents

Title: Innovations of Katsumi Tomiyama

Introduction

Katsumi Tomiyama is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of innovative LC filters. With a total of 2 patents to his name, Tomiyama continues to push the boundaries of technology.

Latest Patents

One of his latest patents is a laminate LC filter that combines condenser and coil functions. This innovative LC filter consists of a first conductive sheet, a first dielectric sheet laminated on the first conductive sheet, a second conductive sheet laminated on the first dielectric sheet, a second dielectric sheet laminated on the second conductive sheet, a third conductive sheet laminated on the second dielectric sheet, and a third dielectric sheet laminated on a third conductive sheet. These components are coiled together to form an integral body. The first and second conductive sheets are equipped with input and output terminals, enhancing the filter's functionality.

Career Highlights

Katsumi Tomiyama is currently employed at Mitsubishi Electric Corporation, where he applies his expertise in electrical engineering to develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of LC filters, making them more efficient and effective for various applications.

Collaborations

Throughout his career, Tomiyama has collaborated with talented individuals such as Shigefumi Kimura and Sunao Hiraki. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Katsumi Tomiyama is a distinguished inventor whose work in the field of LC filters has made a significant impact. His innovative designs and collaborations continue to inspire advancements in electrical engineering.

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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