Nagakute, Japan

Tomoyuki Kayama

This inventor holds 2 USPTO granted patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoyuki Kayama. Retrieved from https://idiyas.com/inventor/tomoyuki-kayama-1lpfs0n7

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2026

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2 patents (USPTO):Explore Patents

Title: Tomoyuki Kayama: Innovator in Water Electrolysis Technology

Introduction

Tomoyuki Kayama is a notable inventor based in Nagakute, Japan. He has made significant contributions to the field of water electrolysis technology, holding 2 patents that showcase his innovative approach to energy solutions.

Latest Patents

Kayama's latest patents include advancements in water electrolysis cells and stacks. The water electrolysis cell features an anode positioned on one side of a solid polymer electrolyte membrane, with a cathode on the opposite side. The anode consists of an anode catalyst layer, an anode gas diffusion layer, and an anode separator, all laminated in sequence from the membrane side. Notably, the anode separator includes a first channel designed with water repellency, while the cathode separator has a second channel that is hydrophilic. This innovative design enhances the efficiency of the electrolysis process.

Career Highlights

Tomoyuki Kayama is currently employed at Toyota Jidosha Kabushiki Kaisha, where he continues to develop cutting-edge technologies in the automotive and energy sectors. His work focuses on improving energy efficiency and sustainability through innovative engineering solutions.

Collaborations

Kayama collaborates with esteemed colleagues such as Joji Yoshimura and Ryuichi Iwata. Together, they contribute to advancements in their respective fields, fostering a collaborative environment that encourages innovation.

Conclusion

Tomoyuki Kayama's contributions to water electrolysis technology reflect his commitment to innovation and sustainability. His patents and work at Toyota Jidosha Kabushiki Kaisha position him as a key figure in the advancement of energy 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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