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Title: Innovations of Hiroyoshi Yamamoto
Introduction
Hiroyoshi Yamamoto is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced copper powders and manufacturing methods. With a total of five patents to his name, his work has implications for various industries, including additive manufacturing.
Latest Patents
Yamamoto's latest patents include innovative methods for producing copper powder and solid-shaped objects. One of his inventions provides a copper powder that can be fusion bonded using a low-energy laser. This invention allows for efficient heat input with a high absorption rate for laser irradiation, enhancing the convenience of handling the material. Specifically, the copper powder has an absorption rate for light with a wavelength of λ=1060 nm ranging from 18.9% to 65.0%. Additionally, he has developed a production method for additive manufactured objects using pure copper powder with a silicon coating. This method involves an electron beam-based additive manufacturing process that includes preheating and partial melting of the copper powder to create layered structures.
Career Highlights
Throughout his career, Hiroyoshi Yamamoto has worked with prominent companies such as JX Nippon Mining & Metals Corporation and JX Advanced Metals Corporation. His experience in these organizations has allowed him to refine his expertise in materials and manufacturing processes, contributing to his innovative patents.
Collaborations