Toyota, Japan

Kiyoshi Kawaguchi

This inventor holds 39 USPTO granted patents, primarily in Cooling Technology. Top assignees: Denso Corporation, Nippondenso Co., Ltd., Kagakushi Kogyo Co., Ltd.. Active years: 1982-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Kawaguchi. Retrieved from https://idiyas.com/inventor/kiyoshi-kawaguchi

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


% Patents Active = 89.7

Average Co-Inventor Count = 3.4

ph-index = 16

Forward Citations = 667(Granted Patents)


Location History:

  • Amagasaki, JP (1987)
  • Anjo, JP (1990)
  • Kariya, JP (1982 - 2002)
  • Toyama, JP (2005)
  • Toyota, JP (1993 - 2006)
  • Kitakyuushuu, JP (2021)

Company Filing History:


Years Active: 1982-2021

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Areas of Expertise:
Cooling Device
Refrigerant
Heat Exchanger
Hydrogen Supply
Fuel Cell
Vaporizer
Combustion Device
Centrifugal Fan
Automotive Technology
Waterproof Structure
Deodorizer
Windshield Wiper
39 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kiyoshi Kawaguchi

Introduction: Kiyoshi Kawaguchi, a prolific inventor based in Toyota, Japan, has made significant contributions to the field of innovation with a remarkable portfolio of 39 patents. His inventive spirit is showcased through his recent developments, which highlight his dedication to enhancing comfort and efficiency in everyday products.

Latest Patents: Among Kiyoshi's latest inventions is a revolutionary hammock design. Traditional cloth hammocks often fail to provide adequate elasticity, resulting in discomfort for users. Kawaguchi's inventive approach employs a forced crimping unit that generates appropriate crimping, allowing for improved elasticity. This innovation ensures that the hammock contours to the human body, reducing weight distribution variability for enhanced comfort. Additionally, the hammock features a flexible hooked clip that adjusts according to load, which protects the fabric and extends durability. Another notable patent is his cooling device designed with a waterproof structure. This device cools an inner part of an approximately sealed box, utilizing a heat exchanger with multiple air passages. It effectively prevents rainwater from compromising the functionality of the heat exchanger while maintaining efficient cooling performance.

Career Highlights: Kiyoshi Kawaguchi has lent his expertise to distinguished companies, notably Denso Corporation and Nippondenso Co., Ltd. His innovative contributions within these organizations have propelled advancements in various technological applications, emphasizing his role as a forward-thinking inventor.

Collaborations: Throughout his career, Kawaguchi has collaborated with esteemed colleagues such as Masahiko Suzuki and Shigeru Kadota. These professional relationships have likely fostered a productive environment for sharing ideas and driving innovation collectively.

Conclusion: Kiyoshi Kawaguchi stands out as a notable inventor whose work reflects a commitment to enhancing user experiences through innovation. His patents, particularly in the areas of comfort and functionality, demonstrate the impact of his inventive contributions. As he continues to develop groundbreaking products, the field of innovation can look forward to the advancements he will undoubtedly bring in the 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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