Yokohama, Japan

Shigetsugu Tsuruoka

This inventor holds 2 USPTO granted patents. Top assignee: Nihon Koshuha Co., Ltd.. Active years: 2013-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigetsugu Tsuruoka. Retrieved from https://idiyas.com/inventor/shigetsugu-tsuruoka

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 = 2.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2013-2014

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2 patents (USPTO):Explore Patents

Title: Innovations of Shigetsugu Tsuruoka

Introduction

Shigetsugu Tsuruoka is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced devices that utilize ferrite materials. With two patents credited to his name, Tsuruoka stands as a notable figure in innovation.

Latest Patents

His latest inventions include a Ferrite Phase Shifter and an Automatic Matching Apparatus. The Ferrite Phase Shifter is designed to suppress temperature rises in ferrites, allowing them to maintain their characteristics even under high power conditions. This stabilization enables the phase shifter to consistently demonstrate high performance. The design features a rectangular waveguide with sheet-like ferrites positioned to face each other, ensuring that their mounting surfaces are in tight contact with the inner walls of the waveguide. A coil wrapped around the periphery of the waveguide corresponds to the position of the ferrites and carries current to enhance functionality.

Career Highlights

Shigetsugu Tsuruoka is affiliated with Nihon Koshuha Co., Ltd., where he has continued to explore and implement innovative technologies. His work showcases a dedication to advancing the practical applications of ferrite components in various engineering fields.

Collaborations

Throughout his career, Tsuruoka has collaborated with esteemed colleagues, including Kibatsu Shinohara. Their partnership has contributed to the refinement and development of technologies that benefit from ferrite materials, furthering advancements in the industry.

Conclusion

Shigetsugu Tsuruoka's inventions, particularly in the realm of ferrite phase shifting technology, exemplify his role as an innovator dedicated to excellence. His efforts continue to influence advancements in engineering, paving the way for more efficient and high-performance devices.

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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