Location History:
- Wakayama, JP (1999)
- Saitama, JP (2019)
- Tokyo, JP (2001 - 2022)
Company Filing History:
2 out of 3,603 
2 out of 2 
1 out of 1,142 
Years Active: 1999-2022
Title: Genjiro Hagino: Innovator in Copper-Zinc Alloys
Introduction
Genjiro Hagino is a notable 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. With a total of 4 patents to his name, his work has implications for various industrial applications.
Latest Patents
Hagino's latest patents include a wear-resistant copper-zinc alloy and a mechanical device utilizing the same. This innovative alloy comprises 28 to 55% Zn, 0.5 to 2% P, and a balance of Cu and unavoidable impurities. It exhibits an electrical conductivity of 10 to 33% IACS and a hardness of 3.6[Zn]-55 HBW or more. Alternatively, another formulation includes 40 to 55% Zn and 1 to 6% Mn, maintaining similar electrical and hardness properties. Additionally, he has developed a copper alloy tube with excellent high-temperature brazeability. This tube is made from a CuCrZr alloy, which preserves mechanical strength and prevents crystal grain coarsening during high-temperature treatments.
Career Highlights
Throughout his career, Genjiro Hagino has worked with prominent companies such as Kao Corporation and Miyoshi Gokin Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in materials development and innovation.
Collaborations
Hagino has collaborated with notable individuals in his field, including Shuji Tagata and Hayao Eguchi. These partnerships have likely enhanced his research and development efforts.
Conclusion
Genjiro Hagino's contributions to the field of copper-zinc alloys demonstrate his innovative spirit and commitment to advancing materials science. His patents reflect a deep understanding of the properties and applications of these materials, making him a significant figure in his industry.