Koshigaya, Japan

Takafumi Okamoto

This inventor holds 25 USPTO granted patents and 1 EPO patent, primarily in Fuel Cell Technology. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Honda Motor Co., Ltd., Honda Giken Kabushiki Kaisha. Active years: 1995-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takafumi Okamoto. Retrieved from https://idiyas.com/inventor/takafumi-okamoto

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


% Patents Active = 80.0


Average Co-Inventor Count = 1.7

ph-index = 13

Forward Citations = 641(Granted Patents)


Location History:

  • Wako, JP (1995 - 2006)
  • Koshigaya, JP (1999 - 2011)

Company Filing History:


Years Active: 1995-2011

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Areas of Expertise:
Fuel Cell System
High Efficiency
Phosphoric Acid
Cooling Method
Fuel Cell Stack
Electrode Unit
Gas Humidifying Device
Mobile Bodies
Direct Methanol
Fuel Battery System
Resin Coating
Fuel Gas Supply
25 patents (USPTO):Explore Patents

Title: Innovations of Takafumi Okamoto in Fuel Cell and Coating Technology

Introduction

Takafumi Okamoto, a prominent inventor based in Koshigaya, Japan, has made significant contributions to the fields of fuel cell technology and coating processes. With an impressive portfolio of 25 patents, he has focused on innovative methods that enhance the efficiency and functionality of various systems.

Latest Patents

Okamoto's latest patents reflect his commitment to advancing technology. One of his noteworthy inventions is a high-efficiency fuel cell system. This technique involves operating a fuel cell that produces an effluent flow, which is then routed through an electrochemical pump to extract fuel. The innovation includes generating two separate feedback flows from the effluent and utilizing a venturi mechanism to optimize the fuel cell's performance.

Another significant patent is a process for coating the inner wall of a thin tube with resin. This process is particularly useful for tubes with an inside diameter ranging from 0.2 to 5 mm. The approach starts with filling the tube with a resin particulate dispersion, which remains held in place by surface tension. By strategically heating the tube, Okamoto’s method allows the resin particles to adhere effectively to the inner walls, offering enhanced durability and performance.

Career Highlights

Throughout his career, Takafumi Okamoto has been associated with reputable companies, including Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His work at these institutions has enabled him to refine his skills in engineering and innovation, thereby contributing to the development of cutting-edge technologies.

Collaborations

In his pursuit of innovation, Okamoto has collaborated with notable colleagues such as Manabu Tanaka and Akio Yamamoto. These partnerships have fostered a creative environment that promotes the sharing of ideas and the advancement of new technologies in the automotive and engineering fields.

Conclusion

Takafumi Okamoto's dedication to innovation has led to significant advancements in fuel cell and coating technologies. His impressive patent portfolio serves as a testament to his expertise and creativity. As he continues to work alongside esteemed colleagues and organizations, there is no doubt that his future contributions will further influence the landscape of modern technology.

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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