Okazaki, Japan

Yoshifumi Kaji

This inventor holds 3 USPTO granted patents, plus 3 CIPO patents and 1 EPO patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2004-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Kaji. Retrieved from https://idiyas.com/inventor/yoshifumi-kaji

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


% Patents Active = 66.7



Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 2004-2008

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3 patents (USPTO):Explore Patents

Title: **Yoshifumi Kaji: Innovator in Fuel Cell Technology**

Introduction

Yoshifumi Kaji, based in Okazaki, Japan, is an accomplished inventor with a focus on advancing fuel cell technology. With three patents to his name, Kaji has contributed significantly to the efficient manufacture of fuel cell electrodes, enhancing the performance and reliability of these critical components.

Latest Patents

Kaji's latest innovations include:

1. **Method and apparatus for forming catalyst layer on substrate constituting membrane electrode assembly**: This invention describes an apparatus where electrode powder adheres to an electrolyte membrane via electrostatic force, forming a catalyst layer. A non-contact screen is used alongside a feed roller that aids in evenly dispersing electrode powder to enhance manufacturing precision and layer stability.

2. **Method and apparatus for manufacturing a fuel cell electrode**: This patent outlines a method where electrode material is electrostatically held on a photosensitive drum and then transferred onto an electrolyte membrane or diffusion layer. The process allows for multiple applications of electrode material, enabling variations in thickness and structure, thereby improving the overall performance of fuel cells.

Career Highlights

Yoshifumi Kaji is currently employed at Toyota Jidosha Kabushiki Kaisha, a leading automobile manufacturer renowned for its innovations in sustainable technology. Throughout his career, Kaji has demonstrated a commitment to enhancing fuel cell technologies, making strides towards cleaner energy solutions.

Collaborations

Throughout his work at Toyota, Kaji has collaborated with colleagues such as Masashi Murate and Hiromichi Nakata. Together, they have shared insights and expertise, contributing to the development of cutting-edge fuel cell technologies that align with the company’s vision for sustainable transport.

Conclusion

Yoshifumi Kaji's contributions to the field of fuel cell technology reflect his dedication to innovation and excellence. With his advanced patents and collaborative efforts, Kaji continues to play a vital role in the future of clean energy solutions, paving the way for more efficient and sustainable technologies.

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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