Wako, Japan

Kazuhisa Ishizuka

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Honda Motor Co., Ltd., Honda Giken Kabushiki Kaisha. Active years: 2000-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhisa Ishizuka. Retrieved from https://idiyas.com/inventor/kazuhisa-ishizuka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 2

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 2000-2025

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5 patents (USPTO):Explore Patents

Title: Kazuhisa Ishizuka: Innovator in Power Conversion Technology

Introduction

Kazuhisa Ishizuka is a prominent inventor based in Wako, Japan. He has made significant contributions to the field of power conversion technology, holding a total of 5 patents. His innovative designs have paved the way for advancements in electrical engineering.

Latest Patents

Ishizuka's latest patents include a reactor and a multi-phase interleave-type DC-DC converter. The reactor features a first core, a first coil, and a second coil, with each coil wound to create opposing magnetic flux directions. This design enhances efficiency in power conversion. Additionally, his power conversion device comprises an element array with high and low side arm elements, along with conductors and driving signal lines that optimize performance in electrical systems.

Career Highlights

Throughout his career, Ishizuka has worked with notable companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative technologies.

Collaborations

Ishizuka has collaborated with esteemed colleagues, including Masashi Murata and Kazuo Shibata. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their respective fields.

Conclusion

Kazuhisa Ishizuka's contributions to power conversion technology and his collaborative efforts with industry leaders highlight his role as a key innovator. His work continues to influence the future of 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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