Fukui, Japan

Tadashi Kiyokawa

This inventor holds 5 USPTO granted patents. Top assignees: Kiyokawa Mekki Kougyo Co., Ltd., Kiyokawa Plating Industries, Co., Ltd., Other. Active years: 1999-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Kiyokawa. Retrieved from https://idiyas.com/inventor/tadashi-kiyokawa

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 = 1.7

ph-index = 5

Forward Citations = 62(Granted Patents)


Company Filing History:


Years Active: 1999-2002

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5 patents (USPTO):Explore Patents

Title: Innovations of Tadashi Kiyokawa

Introduction

Tadashi Kiyokawa is a notable inventor based in Fukui, Japan. He has made significant contributions to the field of hydrogen storage technology. With a total of 5 patents, Kiyokawa's work focuses on enhancing the efficiency and durability of hydrogen storage materials.

Latest Patents

Kiyokawa's latest patents include advancements in hydrodynamic bearings and methods for manufacturing hydrogen storage materials. One of his key innovations is a hydrogen storage material that prevents collapse due to the pulverization of hydrogen storage alloy particles during repeated hydrogen absorption and desorption. This innovation allows for repeated use while maintaining excellent electric and thermal conductivities. The process involves pressure molding hydrogen storage alloy particles, which are covered with a plated metal film containing microgranules of a thermoplastic resin. This method produces a porous hydrogen storage material that is both firm and strong, as the plated metal films clasp together complexly.

Career Highlights

Throughout his career, Kiyokawa has worked with various companies, including Kiyokawa Plating Industries, Co., Ltd. and Kiyokawa Mekki Kougyo Co., Ltd. His experience in these organizations has contributed to his expertise in plating and hydrogen storage technologies.

Collaborations

Kiyokawa has collaborated with notable individuals in his field, including Hajime Kiyokawa and Masayuki Takashima. These collaborations have further enriched his work and innovations.

Conclusion

Tadashi Kiyokawa's contributions to hydrogen storage technology and his innovative patents highlight his role as a significant inventor in this field. His work continues to influence advancements in energy storage solutions.

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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