Muroran, Japan

Takayuki Kisu

This inventor holds 3 USPTO granted patents and 1 published patent application and 6 EPO patents. Top assignees: Nippon Steel Sumitomo Metal Corporation, Honda Motor Co., Ltd., Suzuki Metal Industry Co., Ltd.. Active years: 2014-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayuki Kisu. Retrieved from https://idiyas.com/inventor/takayuki-kisu

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

 

Average Co-Inventor Count = 5.2

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Tokyo, JP (2014)
  • Muroran, JP (2014 - 2018)

Company Filing History:


Years Active: 2014-2018

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3 patents (USPTO):Explore Patents

Title: Takayuki Kisu: Innovator in Spring Steel Technology

Introduction

Takayuki Kisu is a notable inventor based in Muroran, Japan. He has made significant contributions to the field of metallurgy, particularly in the development of high-strength spring steels. With a total of 3 patents to his name, Kisu's work has advanced the capabilities of materials used in various industrial applications.

Latest Patents

Kisu's latest patents include innovations in high-strength spring steel and steel wire. The first patent focuses on spring steel that achieves both high strength and cold coilability. This spring steel contains specific mass percentages of carbon, silicon, manganese, phosphorus, sulfur, nitrogen, and other elements, ensuring optimal performance. The second patent introduces high-strength spring-use heat-treated steel, which can achieve a tensile strength of 2000 MPa or more. This steel is designed to improve spring performance through heat treatment after fabrication.

Career Highlights

Throughout his career, Takayuki Kisu has worked with prominent companies such as Nippon Steel & Sumitomo Metal Corporation and Suzuki Metal Industry Co., Ltd. His experience in these organizations has allowed him to refine his expertise in metallurgy and contribute to innovative solutions in the industry.

Collaborations

Kisu has collaborated with notable colleagues, including Masayuki Hashimura and Hiroshi Hagiwara. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Takayuki Kisu's contributions to the field of spring steel technology highlight his role as a leading inventor in Japan. His patents reflect a commitment to advancing material science and engineering. Through his work, Kisu continues to influence the industry and inspire future innovations.

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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