Saitama, Japan

Hirokazu Tsunakawa

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Meidensha. Active years: 1985.

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

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 = 3.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Hirokazu Tsunakawa: Innovator in Electrically Conductive Materials

Introduction

Hirokazu Tsunakawa is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of materials science, particularly in the development of electrically conductive plastic complex materials. His innovative work has implications for energy efficiency in battery technology.

Latest Patents

Tsunakawa holds a patent for an electrode formed from a composition consisting essentially of a base resin polymer, carbon black, and graphite, with adsorptive active carbon added. This invention is designed to suppress halogen diffusion in metal-halogen batteries, thereby improving their energy efficiency. He has 1 patent to his name, showcasing his expertise in this specialized area.

Career Highlights

Hirokazu Tsunakawa is associated with Kabushiki Kaisha Meidensha, a company known for its advancements in electrical engineering and technology. His role at the company has allowed him to focus on innovative solutions that enhance the performance of energy storage systems.

Collaborations

Tsunakawa has worked alongside talented colleagues such as Kazuo Fushimi and Kunio Yonahara. Their collaborative efforts contribute to the ongoing research and development in the field of conductive materials.

Conclusion

Hirokazu Tsunakawa's work in electrically conductive materials represents a significant advancement in battery technology. His innovative patent demonstrates the potential for improving energy efficiency in metal-halogen batteries.

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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