Company Filing History:
4 out of 42,508 
1 out of 1,960 
Years Active: 1977-1978
Title: The Innovations of Yasushi Ohuchi: A Pioneer in Aluminum Alloys
Introduction: Yasushi Ohuchi, a distinguished inventor from Katsuta, Japan, has made significant contributions to the field of materials science with a focus on aluminum alloys. With a total of four patents to his name, Ohuchi's work emphasizes enhancing the mechanical properties and workability of aluminum, showcasing his expertise and dedication to innovation.
Latest Patents: Among his latest patents, Ohuchi developed an aluminum alloy consisting of 8 to 15% by weight of silicon, 0.05 to 0.7% by weight of magnesium, and 1 to 4.5% by weight of copper, with aluminum as the balance component. This alloy features a mean grain size of silicon crystals in eutectic structure not larger than 5 microns, and finely precipitated intermetallic compounds of magnesium and copper that serve as age-hardening elements. The resultant alloy exhibits impressive mechanical properties, achieving at least 40 kg/mm² tensile strength and 10% elongation, along with excellent antiwear characteristics and workability. Furthermore, he has disclosed a plastic molding process for metal that involves a multi-die mechanism to mold the blank without exerting force on the mold's bottom, ensuring precision shape formation.
Career Highlights: Yasushi Ohuchi's career includes significant tenures at notable companies, such as Hitachi, Ltd. and Showa Denko K.K., where his inventive spirit flourished. His work has not only contributed to the advancement of aluminum alloys but also reinforced the importance of innovation within the materials engineering sector.
Collaborations: Throughout his career, Ohuchi has collaborated with talented individuals such as Hisanobu Kanamaru and Takeo Tamamura. Their combined efforts reflect a commitment to excellence in research and development, fostering an environment of creativity and technical prowess.
Conclusion: Yasushi Ohuchi stands out as a remarkable inventor whose work has greatly impacted the field of aluminum materials. His patents demonstrate a forward-thinking approach to engineering, emphasizing the importance of improving mechanical properties and workability of materials. As innovations continue to evolve, contributors like Ohuchi remain essential in paving the way for future advancements in technology and manufacturing.