Utsunomiya, Japan

Koji Nakazawa

This inventor holds 23 USPTO granted patents and 1 EPO patent, primarily in Water Electrolysis. Top assignees: Honda Motor Co., Ltd., Osaka Titanium Technologies Co., Ltd.. Active years: 2009-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Nakazawa. Retrieved from https://idiyas.com/inventor/koji-nakazawa

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


% Patents Active = 69.6


Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 37(Granted Patents)


Location History:

  • Shioya-gun, JP (2011)
  • Utsunomiya, JP (2012 - 2016)
  • Wako, JP (2009 - 2017)

Company Filing History:


Years Active: 2009-2017

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Areas of Expertise:
Water Electrolysis
Hydrogen Generation
Electrochemical Device
High-Pressure Systems
Electrolysis Apparatus
Hydrogen Production
Electrochemical Reaction
Differential Pressure
Porous Electrical Conductor
Electrolyte Thickness
Operating Method
Shutdown Method
23 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Koji Nakazawa

Introduction

Koji Nakazawa, a notable inventor based in Utsunomiya, Japan, has made significant strides in the field of water electrolysis technology. With a remarkable portfolio of 23 patents, Nakazawa continues to push the boundaries of innovation, contributing to advancements in energy solutions.

Latest Patents

Among his latest patents are two groundbreaking inventions. The first is a comprehensive water electrolysis system, which features a water electrolysis apparatus, an electric component, and a specialized casing. This system is designed to facilitate efficient operation by maintaining atmospheric pressure in a buffering chamber and providing separate ventilation air inlets for the housing and electric component chambers, enhancing the overall functionality.

The second patent involves a high-pressure water electrolysis apparatus, which is characterized by its innovative design that includes a solid polymer electrolyte membrane and multiple seal members to ensure optimal operating conditions. This advanced apparatus incorporates a high-pressure hydrogen communication hole, significantly improving the efficiency of hydrogen production.

Career Highlights

Throughout his career, Koji Nakazawa has collaborated with leading companies, including Honda Motor Co., Ltd. and Osaka Titanium Technologies Co., Ltd. His experience in these prestigious organizations has allowed him to refine his expertise in electrolysis and contribute to important technological advancements in energy.

Collaborations

In addition to his corporate engagements, Nakazawa has worked alongside notable colleagues such as Masanori Okabe and Kenji Taruya. These collaborations have fostered an environment of shared knowledge and innovation that has further propelled the quality and impact of his inventions.

Conclusion

Koji Nakazawa stands out as a significant figure in the realm of electrolysis technology. His patents not only underscore his inventive spirit but also demonstrate his commitment to creating sustainable energy solutions. With each innovation, he paves the way for future advancements that hold promise for various industrial applications.

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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