Tokyo, Japan

Takumi Okuyama

This inventor holds 13 USPTO granted patents and 6 published patent applications and 2 EPO patents. Top assignees: Agc Inc., Mitsubishi Electric Corporation. Active years: 2015-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takumi Okuyama. Retrieved from https://idiyas.com/inventor/takumi-okuyama

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

USPTO Granted Patents = 13 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.4

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2015 - 2023)
  • Tokyo, JP (2018 - 2024)

Company Filing History:


Years Active: 2015-2026

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13 patents (USPTO):Explore Patents

Title: Takumi Okuyama: Innovator in Polymer Electrolyte Technology

Introduction

Takumi Okuyama is a prominent inventor based in Chiyoda-ku, Japan, known for his significant contributions to the field of polymer electrolyte technology. With a total of 12 patents to his name, Okuyama has made remarkable advancements that enhance the efficiency of energy systems.

Latest Patents

Okuyama's latest patents include innovations such as a polymer electrolyte membrane, a membrane electrode assembly, and a polymer electrolyte water electrolyzer. His work aims to provide a polymer electrolyte membrane that can be applied to a polymer electrolyte water electrolyzer, which is capable of producing a low electrolytic voltage while maintaining excellent hydrogen gas recovery efficiency. The polymer electrolyte membrane he developed contains a polymer electrolyte with a specific hydrogen gas permeation coefficient and membrane resistance value, ensuring optimal performance under varying conditions. Additionally, he has created a liquid composition that forms a polymer electrolyte membrane with superior initial power generation characteristics and durability.

Career Highlights

Throughout his career, Takumi Okuyama has worked with notable companies such as AGC Inc. and Mitsubishi Electric Corporation. His experience in these organizations has allowed him to refine his expertise in polymer electrolyte technologies and contribute to groundbreaking innovations.

Collaborations

Okuyama has collaborated with esteemed colleagues, including Takeshi Hirai and Naotoshi Sakamoto, to further advance the field of polymer electrolytes. Their combined efforts have led to significant developments in energy efficiency and sustainability.

Conclusion

Takumi Okuyama's contributions to polymer electrolyte technology have positioned him as a leading inventor in the field. His innovative patents and collaborations continue to influence advancements in energy systems, showcasing the importance of research and development in achieving sustainable 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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