Osaka, Japan

Hirokazu Kaku

This inventor holds 11 USPTO granted patents and 7 EPO patents. Top assignees: Sumitomo Electric Industries, Limited, Tayca Corporation. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Kaku. Retrieved from https://idiyas.com/inventor/hirokazu-kaku

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

Calculating rank

% Patents Active = 90.9

 

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 2016-2026

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11 patents (USPTO):Explore Patents

Title: Hirokazu Kaku: Innovator in Redox Flow Battery Technology

Introduction

Hirokazu Kaku is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of energy storage, particularly through his work on redox flow batteries. With a total of 10 patents to his name, Kaku's innovations are paving the way for advancements in battery technology.

Latest Patents

One of Kaku's latest patents involves a redox flow battery that features a tank designed to store an electrolyte. This innovative battery includes a distribution mechanism that effectively distributes the electrolyte to a battery cell. The tank is partitioned into two spaces, allowing for efficient electrolyte management. Additionally, Kaku has developed a titanyl sulfate hydrate powder that boasts a high dissolution rate in water. This powder is essential for producing an aqueous titanyl sulfate solution, an electrolyte solution, and ultimately, a redox flow battery.

Career Highlights

Throughout his career, Hirokazu Kaku has worked with notable companies such as Sumitomo Electric Industries and Tayca Corporation. His experience in these organizations has contributed to his expertise in battery technology and materials science.

Collaborations

Kaku has collaborated with talented individuals in his field, including Yongrong Dong and Ryojun Sekine. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Hirokazu Kaku is a key figure in the advancement of redox flow battery technology. His innovative patents and collaborations highlight his commitment to improving energy storage solutions. His work continues to influence the future of battery technology and energy efficiency.

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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