Sanda, Japan

Katsumi Kozu

This inventor holds 28 USPTO granted patents and 14 published patent applications and 3 EPO patents, primarily in Fuel Cell Technology. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 2002-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Kozu. Retrieved from https://idiyas.com/inventor/katsumi-kozu

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

Calculating rank
USPTO Granted Patents = 28 

% Patents Active = 28.6

 

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 428(Granted Patents)


Location History:

  • Sanda, JP (2002 - 2013)
  • Hyogo, JP (2003 - 2013)

Company Filing History:


Years Active: 2002-2013

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Areas of Expertise:
Fuel Cell Stack
Power Supply Unit
Flexible Fuel Cartridge
Battery Pack
Fuel Cell System
Non-Aqueous Electrolyte
Circuit Substrate
Resin Integrated Substrate
Rechargeable Battery
Manufacturing Method
Deformable Battery Pack
Power Supply Apparatus
28 patents (USPTO):Explore Patents

Title: Katsumi Kozu: Innovator in Fuel Cell Technology

Introduction

Katsumi Kozu is a prolific inventor based in Sanda, Japan, known for his significant contributions to fuel cell technology. With a total of 28 patents to his name, Kozu has dedicated his career to advancing clean energy solutions that impact both the environment and efficiency of energy consumption.

Latest Patents

Among his notable inventions are a fuel cell stack and a power supply unit. The fuel cell stack patent describes a design where a cell stack formed by laminating a membrane electrode assembly and a separator is fastened using a pair of end plates and a unique C-shaped first plate spring for stability. This design enhances the performance and durability of fuel cells in various applications.

His power supply unit, which utilizes methanol as fuel, is engineered for high efficiency with a clean energy output. It includes a secondary battery for load support and a control system to optimize fuel and air supply, ensuring minimal methanol discharge for an environmentally friendly operation.

Career Highlights

Kozu has had an impactful career with tenures at renowned companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His work at these institutions laid the groundwork for his innovative patents and positioned him as a leader in fuel cell technology development.

Collaborations

Throughout his career, Katsumi Kozu has worked alongside esteemed colleagues, including Takeshi Ishimaru and Toshihiko Ichinose. These collaborations have enabled him to leverage diverse expertise, enhancing the innovation process and expediting the development of cutting-edge technologies in their field.

Conclusion

Katsumi Kozu's dedication to innovation in fuel cell technology showcases the critical role inventors play in creating sustainable solutions. With an impressive portfolio of patents and a career marked by collaboration and advancement, Kozu continues to inspire future generations in the pursuit of cleaner energy. His contributions are not only a testament to his skills but also to the potential for technological advancements to shape a more sustainable future.

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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