Company Filing History:
5 out of 3,325 
3 out of 3,554 Years Active: 1985-1998
Title: The Innovative Works of Hatsuyoshi Kumashiro
Introduction
Hatsuyoshi Kumashiro is a distinguished inventor based in Kobe, Japan. With a remarkable portfolio of five patents, he has made significant strides in the field of continuous casting technology, enhancing the efficiency and effectiveness of metal processing.
Latest Patents
Hatsuyoshi Kumashiro's latest patents exemplify his contribution to innovation in continuous casting. One of his notable inventions is an *Apparatus for Continuous Casting*, which involves the continuous supply of molten metal from a tundish to a cooled mold. This apparatus not only forms a cast section by cooling the molten metal but also initiates solidification below the molten metal's surface. A unique feature of this invention is the introduction of a sealing gas that maintains a pressure higher than atmospheric in the contact area of the mold and the break ring.
Another significant patent is the *Method and Apparatus for Performing Horizontal Continuous Casting*. This invention includes a tundish that stores molten metal and a mold assembly that is air-tight connected to the tundish. This setup is designed for casting round billets, with an extraction device downstream that shapes the billets using formation roll units composed of horizontal circular roll pairs. The device also features press and drive units for optimal performance.
Career Highlights
Hatsuyoshi Kumashiro has held positions in notable companies such as Kawasaki Heavy Industries and Nippon Steel Corporation. His experience in these leading organizations has allowed him to refine his expertise in metallurgy and casting techniques, contributing significantly to advancements in these fields.
Collaborations
Throughout his career, Hatsuyoshi has collaborated with esteemed colleagues, including Hideo Kaneko and Hiroyuki Nakashima. Their collective expertise has fostered innovative solutions in metal casting, pushing the boundaries of what is possible in the industry.
Conclusion
Hatsuyoshi Kumashiro stands as a notable figure in the realm of metal casting innovation. His patents reflect a commitment to enhancing processes that are vital to modern manufacturing. As he continues to develop groundbreaking technologies, his impact on the industry will undoubtedly resonate for years to come.