Kiyoji Sagisaka

Title: Kiyoji Sagisaka: Innovator in Copper-Alloy Tube Technology

Introduction

Kiyoji Sagisaka is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of water supply technology through his innovative patents. With a total of 2 patents, Sagisaka's work focuses on improving the quality and safety of water supply systems.

Latest Patents

Sagisaka's latest patents include a method using copper-copper-alloy tubes for water supply. These tubes are made of Cu-base alloys that contain magnesium in the range of 0.05 to 2.8 wt %, with the balance being copper and inevitable impurities. This innovative design has been found to exhibit remarkably low dissolution rates of undesirable ions, particularly copper ions, even in stagnant water and at elevated temperatures. Additionally, the alloys can contain up to 1.0% calcium to further minimize the dissolution of copper ions.

Career Highlights

Kiyoji Sagisaka is currently employed at Sumitomo Light Metal Industries, Ltd., where he continues to develop advanced materials for various applications. His expertise in copper-alloy technology has positioned him as a key figure in the industry.

Collaborations

One of his notable collaborators is Shiro Sato, with whom he has worked closely on various projects related to water supply innovations.

Conclusion

Kiyoji Sagisaka's contributions to the field of water supply technology through his innovative patents demonstrate his commitment to improving public health and safety. His work with copper-alloy tubes is paving the way for safer and more efficient water supply systems.