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For the Inventor, By the Inventor

Iruma, Japan

Masahiko Iijima

This inventor holds 8 USPTO granted patents and 3 EPO patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2004-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Iijima. Retrieved from https://idiyas.com/inventor/masahiko-iijima-z86vr7ko

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 50.0


Average Co-Inventor Count = 2.2

ph-index = 1

Forward Citations = 7(Granted Patents)


Location History:

  • Susono, JP (2004)
  • Iruma-gun, JP (2006 - 2010)
  • Fujimino, JP (2010)
  • Ohi-machi, JP (2012)

Company Filing History:

goldMedal8 out of 39,010 
 
Toyota Jidosha Kabushiki Kaisha
 patents

Years Active: 2004-2012

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8 patents (USPTO):Explore Patents
1. 8153332 - Fuel cell system (2012-04-10),
2. 7833675 - Proton conductor, and fuel cell and fuel cell system including proton conductor (2010-11-16),
3. 7829235 - Fuel cell production method and fuel cell (2010-11-09),
4. 7615297 - Fuel cell (2009-11-10),
5. 7491462 - Electrolyte membrane for fuel cell operable in medium temperature range, fuel cell using the same, and manufacturing methods therefor (2009-02-17),
6. 7282085 - Apparatus for hydrogen separation and fuel cell system (2007-10-16),
7. 7049008 - Hydrogen-permeable membrane and manufacturing method of the same (2006-05-23),
8. 6702878 - Hydrogen-permeable membrane, manufacturing method of the same, and hydrogen gas separator using the same (2004-03-09),

Title: Innovations of Masahiko Iijima

Introduction

Masahiko Iijima is a prominent inventor based in Iruma-gun, Japan. He has made significant contributions to the field of fuel cell technology, holding a total of 8 patents. His work focuses on enhancing the efficiency and functionality of fuel cells, which are crucial for sustainable energy solutions.

Latest Patents

Iijima's latest patents include a groundbreaking fuel cell system that operates at a temperature of approximately 500°C. This innovative design features a solid oxide electrolyte layer formed on a hydrogen-separable metal layer. The anode is equipped with a catalyst that accelerates the reforming reaction of methane. By reforming hydrocarbon-containing materials in a reformer, a fuel gas is produced. This system allows for the simultaneous reforming reaction of methane and the consumption of hydrogen, optimizing the operation temperature of the fuel cells. Another notable patent involves a proton conductor that includes a water-soluble electrolyte membrane with proton conductivity, enhancing the overall performance of fuel cells.

Career Highlights

Masahiko Iijima is currently associated with Toyota Jidosha Kabushiki Kaisha, where he continues to innovate in the automotive and energy sectors. His work at Toyota has positioned him as a key player in the development of advanced fuel cell technologies.

Collaborations

Iijima has collaborated with notable colleagues such as Naoki Ito and Satoshi Aoyama, contributing to various projects that push the boundaries of fuel cell research and development.

Conclusion

Masahiko Iijima's contributions to fuel cell technology are invaluable, showcasing his dedication to innovation and sustainability. His patents reflect a commitment to advancing energy solutions that can benefit society as a whole.

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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