Tokyo, Japan

Keiichi Yamakawa

This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: W.l. Gore & Associates, Co., Ltd., Japan Gore-Tex Inc., W. L. Gore & Associates, Inc.. Active years: 2009-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Yamakawa. Retrieved from https://idiyas.com/inventor/keiichi-yamakawa

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 52(Granted Patents)


Location History:

  • Akaiwa-gun, JP (2009)
  • Tokyo, JP (2014 - 2017)

Company Filing History:


Years Active: 2009-2017

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4 patents (USPTO):Explore Patents

Title: **Keiichi Yamakawa: Innovating in Membrane Technology**

Introduction

Keiichi Yamakawa, an accomplished inventor located in Akaiwa-gun, Japan, has made significant contributions to the field of membrane technology. With one patent to his name, his work exemplifies how innovation can drive advancements in material science.

Latest Patents

Yamakawa's noteworthy patent is titled "Membrane, method of making same and heat exchanger furnished with said membrane." This invention focuses on a membrane that demonstrates superior condensation resistance, regardless of the moisture-permeable resin used. The membrane features a laminated structure that includes a porous film and a reinforcing member, with a crucial moisture-permeable resin layer allowing for reliable function. The design specifications, including an average pore diameter of the porous film between 0.01 to 10 µm and a porosity of the reinforcing member ranging from 30 to 95%, ensure effective performance even with water-soluble resins, such as polyvinyl alcohol.

Career Highlights

Yamakawa is currently associated with Japan Gore-tex Inc., where he applies his expertise in material innovation to develop advanced products that meet the stringent demands of modern applications. His intellectual contributions have been vital in enhancing the functionality of membranes used in various industries.

Collaborations

In his professional journey, Yamakawa has collaborated with Takashi Imai, working together to explore new avenues in membrane technology. Their combined efforts contribute to the ongoing research and development within the field, showcasing the power of teamwork in driving innovation.

Conclusion

Keiichi Yamakawa stands out as a pivotal figure in the realm of membrane technology. Through his innovative patent and collaborative efforts, he continues to influence advancements that promise to enhance the performance of materials in practical applications. As the technology evolves, his work serves as a fundamental building block for future developments in the industry.

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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