Utsunomiya, Japan

Akio Yamamoto

This inventor holds 19 USPTO granted patents and 3 EPO patents, primarily in Fuel Cell Technology. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Honda Motor Co., Ltd., Honda Giken Kabushiki Kaisha. Active years: 1998-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Yamamoto. Retrieved from https://idiyas.com/inventor/akio-yamamoto-gdr5dxvw

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

Calculating rank

% Patents Active = 68.4


Average Co-Inventor Count = 5.0

ph-index = 7

Forward Citations = 157(Granted Patents)


Location History:

  • Saitama, JP (2005 - 2009)
  • Utsunomiya, JP (2001 - 2010)
  • Wako, JP (1998 - 2014)

Company Filing History:


Years Active: 1998-2014

Loading Chart...
Loading Chart...
Areas of Expertise:
Fuel Cell System
Discharge-Gas Processing
Failure Detection
Cooling Apparatus
Electric Storage
Exhaust Gas Processing
Hydrogen Purge Control
Electrode Unit Production
Fuel Dilution
Fuel Cell Stack
19 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Akio Yamamoto in Fuel Cell Technology

Introduction: Akio Yamamoto is an esteemed inventor based in Utsunomiya, Japan, known for his significant contributions to the field of fuel cell technology. With a remarkable portfolio of 19 patents, his work focuses on enhancing the efficiency and reliability of fuel cell systems, ultimately paving the way for advancements in clean energy.

Latest Patents: Among his latest innovations, Akio has developed a pioneering fuel cell system that detects failures and provides processes for dealing with such failures. This system incorporates a fuel cell with an anode and a cathode, producing electricity through the reaction between fuel gas and oxidant gas. It features a voltage sensing device to monitor the voltage generated during power production, and a decision device that identifies cross leakage between the anode and cathode based on voltage information. If the voltage falls below a predetermined threshold, the system confirms the occurrence of cross leakage.

Additionally, Akio has introduced a fuel cell discharge-gas processing device that efficiently dilutes anode off-gas by mixing it with a diluent gas. This innovative device includes a dilution container, paths for introducing the anode off-gas and diluent gas, and strategic emission openings to manage the flow of gases, thereby enhancing environmental safety.

Career Highlights: Akio Yamamoto has had an illustrious career, contributing his expertise to reputable companies such as Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His relentless pursuit of innovation in fuel cell technology has established him as a leading figure in the field, influencing future research and development in energy systems.

Collaborations: Throughout his career, Akio has collaborated with notable colleagues, including Takafumi Okamoto and Masahiro Matsutani. These partnerships have propelled the advancement of fuel cell technology, fostering a collaborative environment where innovative ideas can flourish.

Conclusion: Akio Yamamoto's dedication to innovation and his impressive roster of patents highlight his vital role in the evolution of fuel cell technology. His inventions not only enhance the performance of fuel cells but also contribute to the growing need for sustainable energy solutions. Through his work, Akio continues to inspire future generations of inventors and researchers to pursue breakthroughs in clean energy 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]
Loading…