Kanagawa, Japan

Kouji Kai

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Koyo Giken Inc.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Kai. Retrieved from https://idiyas.com/inventor/kouji-kai-ljfa8bmv

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Kouji Kai - Innovator in Welding Technology

Introduction

Kouji Kai is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of welding technology, particularly through his innovative designs and patents. His work has garnered attention for its practical applications and efficiency improvements in welding processes.

Latest Patents

Kouji Kai holds a patent for a welding transformer. This invention features a flat, electrically and thermally conductive flat surface group that is formed in the common connection region of the secondary coil. The flat conductive surface group is directly and mechanically joined to the connecting surfaces of the first conductor plate, the second conductor plate, and the third conductor plate, respectively. The first, second, and third conductor plates cover the entire common connection region, with the annular first conductor plate occupying the maximum area. Additionally, the design allows for refrigerant circulation in the annular cavity provided inside the first conductor plate, which efficiently cools the entire system.

Career Highlights

Kouji Kai has been associated with Koyo Giken Inc., where he has applied his expertise in welding technology. His innovative approach has led to advancements in the efficiency and effectiveness of welding processes, making a significant impact in the industry.

Collaborations

Kouji has worked alongside talented colleagues such as Kazuki Houzan and Tuyosi Shinozaki. Their collaborative efforts have contributed to the development of cutting-edge technologies in welding.

Conclusion

Kouji Kai is a distinguished inventor whose work in welding technology has led to innovative solutions that enhance efficiency and performance. His contributions continue to influence the industry positively.

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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