Hisayoshi Koujin

Title: Hisayoshi Koujin: Innovator in Cross-Rolling Mill Technology

Introduction

Hisayoshi Koujin is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of engineering, particularly in the design and functionality of cross-rolling mills. His innovative approach has led to the development of a unique patent that enhances the efficiency of these machines.

Latest Patents

Hisayoshi Koujin holds a patent for a "Roll crossing apparatus for cross-rolling mill." This invention features upper and lower work rolls that can cross one another along with their respective backup rolls. The design allows for the movement of upper and lower roll chocks in opposite pass lines, facilitated by upper and lower cross heads. The apparatus includes gradient portions formed at opposite inclinations on the side faces of the cross heads. Wedges with oppositely inclined surfaces engage these gradient portions, enabling the cross heads to move in opposite directions. This innovative mechanism significantly improves the operational capabilities of cross-rolling mills.

Career Highlights

Koujin is associated with Mitsubishi Jukogyo Kabushiki Kaisha, a prominent company in the manufacturing sector. His work has been instrumental in advancing the technology used in rolling mills, showcasing his expertise and commitment to innovation.

Collaborations

Throughout his career, Koujin has collaborated with talented individuals such as Kazuhiko Horie and Yutaka Matsuda. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Hisayoshi Koujin's contributions to the field of cross-rolling mill technology exemplify the impact of innovative thinking in engineering. His patent and collaborative efforts continue to influence the industry positively.