Kanagawa, Japan

Kunio Kawai

This inventor holds 3 USPTO granted patents. Top assignees: Nissan Motor Company Limited, Hitachi Metals, Ltd.. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunio Kawai. Retrieved from https://idiyas.com/inventor/kunio-kawai

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Yokohama, JP (1990)
  • Kanagawa, JP (1992)

Company Filing History:


Years Active: 1990-1992

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3 patents (USPTO):Explore Patents

Title: **Kunio Kawai: Innovator in Heat-Resistant Cast Steel**

Introduction

Kunio Kawai, an inventive mind based in Kanagawa, Japan, has made significant contributions to the field of materials engineering, particularly in the formulation of heat-resistant cast steels. With a total of three patents to his name, Kawai's innovations have advanced the understanding and application of materials in challenging environments.

Latest Patents

Kawai's recent patents focus on a cutting-edge formulation for heat-resistant cast steel. These inventions consist of a specific composition that includes, on a weight basis, 0.06-0.20% Carbon, 0.01-0.10% Nitrogen, 0.4-2.0% Silicon, 0.3-1.0% Manganese, not more than 0.04% Phosphorus, not more than 0.04% Sulfur, 15-22% Chromium, and varying percentages of Niobium and Molybdenum. The steel is designed to be retained at a controlled temperature within a two-phase mixed region for optimal thermal properties.

Kawai's detailed inventions include various iterations, maintaining crucial elements while introducing modifications that enhance the material's heat resistance. His meticulous approach and innovative formulations contribute to a better understanding of how to manipulate steel properties.

Career Highlights

Throughout his career, Kunio Kawai has worked with notable companies such as Nissan Motor Company Limited and Hitachi Metals, Ltd. His experience in these prominent organizations has further refined his expertise in material science and engineering. His work has not only impacted his immediate endeavors but has also influenced the broader industry landscape.

Collaborations

Kawai has collaborated with esteemed colleagues, including Masahide Ike and Kouki Ohtsuka. These collaborations have led to productive exchanges of ideas and innovations, enhancing the quality and impact of their collective research in material development.

Conclusion

Kunio Kawai's contributions to the field of heat-resistant cast steel represent the forefront of materials innovation. His patents reflect a commitment to improving industrial materials, which is crucial in various applications, including automotive and manufacturing. The impact of his work is evident, as it continues to inspire further advancements in materials science.

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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