Tokyo, Japan

Tetsuya Koiwa

This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignee: The Japan Steel Works, Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Koiwa. Retrieved from https://idiyas.com/inventor/tetsuya-koiwa

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Tetsuya Koiwa: Innovator in Resin Cutting Technology

Introduction

Tetsuya Koiwa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of resin cutting technology. His innovative approach has led to the development of a unique patent that enhances production efficiency in pellet manufacturing.

Latest Patents

Koiwa holds a patent for a "Resin cutter, granulator and pellet manufacturing method." This invention provides a technique for controlling a cutter-blade pressing force to maintain a constant force. This is achieved even when employing a configuration that improves the production efficiency of pellets. The resin cutter features a controller that variably controls the revolution number of a rotation shaft attached to a cutter head, as well as the magnitudes of both the forward and backward forces applied to the rotation shaft. This ensures that the cutter-blade pressing force remains constant throughout the operation.

Career Highlights

Tetsuya Koiwa is associated with The Japan Steel Works, Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of resin cutting and pellet manufacturing processes.

Collaborations

Koiwa collaborates with notable colleagues such as Hiroyuki Kawano and Makoto Ishikawa. Their combined expertise contributes to the ongoing development of cutting-edge technologies in their field.

Conclusion

Tetsuya Koiwa's contributions to resin cutting technology exemplify the spirit of innovation. His patent reflects a commitment to improving production efficiency and showcases his role as a leading inventor in Japan.

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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