Kiyoyuki Okubo

Title: Kiyoyuki Okubo: Innovator in Copper Alloy Technologies

Introduction

Kiyoyuki Okubo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of copper alloys. With a total of 2 patents to his name, Okubo's work is recognized for its innovative approaches to manufacturing processes.

Latest Patents

Okubo's latest patents include a method for manufacturing copper alloy powder for metal additive manufacturing (AM). This method involves a casting step where a copper alloy ingot is produced using a specialized casting apparatus. The apparatus includes a molten copper supply unit that melts high-purity copper, an addition unit for alloy elements, and a mold for the molten copper alloy. The process also features an atomizing treatment step that powders the ingot in an inert gas or vacuum atmosphere, ensuring low oxygen and hydrogen concentrations. Another notable patent is for a hot rolled plate made of copper alloy, which is used for sputtering targets. This plate is produced by hot rolling an ingot cast through continuous casting and contains specific percentages of calcium and copper.

Career Highlights

Kiyoyuki Okubo is currently employed at Mitsubishi Materials Corporation, where he continues to advance his research and development efforts. His work has been instrumental in enhancing the properties and applications of copper alloys in various industries.

Collaborations

Okubo collaborates with fellow researcher Masato Koide, contributing to the innovative projects at Mitsubishi Materials Corporation.

Conclusion

Kiyoyuki Okubo's contributions to the field of copper alloy technologies highlight his role as a leading inventor. His patents reflect a commitment to advancing manufacturing processes and materials science.