Takasago, Japan

Masao Sumi

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Sumi. Retrieved from https://idiyas.com/inventor/masao-sumi-6317rhtm

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 13.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: **Masao Sumi: Innovator in Solid Electrolyte Fuel Cells**

Introduction

Masao Sumi, an accomplished inventor based in Takasago, Japan, has made significant contributions to the field of fuel cell technology. His work focuses on the development of solid electrolyte fuel cells, which play a crucial role in the advancement of clean energy solutions. With a keen eye for innovation, Sumi has pioneered technologies aimed at enhancing the performance and efficiency of fuel cells.

Latest Patents

Masao Sumi holds a patent for a novel solid electrolyte fuel cell. This innovative design incorporates a generating layer, an interconnector layer, and a support layer strategically arranged to optimize functionality. The interconnector layer features a fuel electrode, an interconnector material, and an oxygen electrode. The unique support layer facilitates both fuel and oxidizer passages, equipped with supporting rods to ensure effective gas sealing. A sealing film is integrated to ensure that gas sealing is maintained even under varying temperature conditions, allowing for improved cell performances.

Career Highlights

Sumi's career is marked by his tenure at Mitsubishi Jukogyo Kabushiki Kaisha, where he has had the opportunity to make impactful advancements in fuel cell technology. His expertise and dedication to research have positioned him as a key player in the company and the broader energy field. The success of his patent underscores his role as an innovator striving to enhance energy solutions for the future.

Collaborations

Throughout his career, Masao Sumi has collaborated with notable professionals in the industry, including Mitsuhiro Irino and Tetsuo Gora. These collaborations highlight the importance of teamwork in research and development, as they combine their expertise to drive forward innovative solutions in fuel cell technology.

Conclusion

Masao Sumi's contributions to solid electrolyte fuel cells demonstrate the potential of innovative thinking in addressing modern energy challenges. His patent not only reflects his expertise but also underscores the importance of continued research and development in clean energy technologies. As the world looks towards sustainable energy solutions, inventors like Sumi will play a vital role in shaping the future landscape of energy.

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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