Yokohama, Japan

Nobuo Isaka

This inventor holds 19 USPTO granted patents and 9 published patent applications and 17 EPO patents, primarily in Solid Oxide Fuel Cells. Top assignee: Toto Ltd.. Active years: 2013-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuo Isaka. Retrieved from https://idiyas.com/inventor/nobuo-isaka

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

USPTO Granted Patents = 19 

% Patents Active = 42.1

 

Average Co-Inventor Count = 6.9

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Fukuoka, JP (2013)
  • Kitakyushu, JP (2013 - 2016)
  • Yokohama, JP (2014 - 2017)
  • Kanagawa-ken, JP (2017 - 2018)
  • Chigasaki, JP (2018)

Company Filing History:


Years Active: 2013-2018

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Areas of Expertise:
Solid Oxide Fuel Cell
Fuel Cell Device
Manufacturing Method
Fuel Cell Stack
Current Collector
Reactive Gas
Flow Channel
Performance Optimization
Stack Design
Manufacturing Apparatus
19 patents (USPTO):Explore Patents

Title: Nobuo Isaka: A Pioneer in Solid Oxide Fuel Cells

Introduction: Nobuo Isaka, based in Yokohama, Japan, is a renowned inventor with a significant contribution to the field of solid oxide fuel cells (SOFC). With an impressive portfolio of 19 patents, Isaka's innovations focus on enhancing the efficiency and reliability of fuel cell technologies, making substantial impacts in the energy sector.

Latest Patents: Among his latest patents, Isaka has developed a solid oxide fuel cell device and a method for manufacturing it. This invention addresses critical challenges by providing a solution that prevents the breakage of fuel cell electrodes while ensuring robust electrical connections between fuel cells and current collectors.

Another notable invention is his solid oxide fuel cell stack, which is designed with a support structure featuring multiple power generation elements. Each element is meticulously connected in series and incorporates a fuel electrode, a solid electrolyte, and an air electrode. The innovative design includes an interconnector that electrically links adjacent elements, enhancing the overall efficiency of the fuel cell stack.

Career Highlights: Nobuo Isaka’s career is marked by his tenure at Toto Ltd., where he has been instrumental in pushing the boundaries of fuel cell technology. His expertise and innovative mindset have led to advancements that not only benefit his company but also contribute to the broader scientific community.

Collaborations: Throughout his career, Isaka has worked alongside esteemed colleagues, including Naoki Watanabe and Shigeru Ando. These collaborations have fostered a rich environment for sharing ideas and refining innovations within their field.

Conclusion: Nobuo Isaka continues to make significant contributions to solid oxide fuel cell technology. His groundbreaking patents not only enhance the functionality and reliability of fuel cells but also pave the way for sustainable energy solutions. As a key inventor, Isaka’s work exemplifies the ingenuity and drive necessary to advance modern 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]
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