Location History:
- Saitama, JP (2019)
- Tokyo, JP (2022)
Company Filing History:
2 out of 2 
1 out of 1,142 
Years Active: 2019-2022
Title: Hayao Eguchi: Innovator in Copper-Zinc Alloys and Mechanical Devices
Introduction
Hayao Eguchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced copper-zinc alloys and mechanical devices. With a total of 2 patents, his work showcases innovative solutions that enhance the performance and durability of materials.
Latest Patents
Eguchi's latest patents include a wear-resistant copper-zinc alloy and a mechanical device utilizing this alloy. The first patent describes a wear-resistant copper-zinc alloy that consists of 28 to 55% Zn, 0.5 to 2% P, and a balance of Cu and unavoidable impurities. This alloy exhibits an electrical conductivity of 10 to 33% IACS and a hardness of 3.6[Zn]-55 HBW or more. An alternative formulation includes 40 to 55% Zn and 1 to 6% Mn, maintaining similar electrical and hardness properties.
The second patent focuses on a copper alloy tube made from a CuCrZr alloy, which is designed to suppress the deterioration of mechanical strength during high-temperature applications. The manufacturing method involves a solutionizing step at temperatures of 900°C or greater, followed by water-quenching. This process ensures that the alloy maintains its mechanical integrity and high-temperature brazeability.
Career Highlights
Throughout his career, Hayao Eguchi has worked with notable companies such as Miyoshi Gokin Kogyo Co., Ltd. and IHI Corporation. His experience in these organizations has allowed him to refine his expertise in materials engineering and innovation.
Collaborations
Eguchi has collaborated with talented individuals in his field, including Masato Arai and Yuta Arai. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Hayao Eguchi's contributions to the field of materials science, particularly through his innovative patents, highlight his role as a leading inventor in Japan. His work continues to influence the development of advanced materials and mechanical devices, showcasing the importance of innovation in engineering.