Location History:
- Okaya, JP (1995 - 1997)
- Tokyo, JP (1990 - 1998)
Company Filing History:
6 out of 67 
2 out of 4,048 
1 out of 1,145 Years Active: 1990-1998
Title: Exploring the Innovations of Inventor Yoshio Harakawa
Introduction
Yoshio Harakawa, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of materials science and engineering. With an impressive portfolio of six patents, his innovative work has revolutionized the processes involved in metal powder production and alloy powder atomization.
Latest Patents
1. Method and Apparatus for Producing Flat Metal Powder Directly from Melt: Harakawa's patent focuses on enhancing the yield of flat powder of aluminum, magnesium, or their alloys. By utilizing a unique film consisting of liquid lower fatty acids and solid higher fatty acids on a rotary cooling body, the flat metal powder can be prevented from sticking to the cooling surface, resulting in improved production efficiency.
2. Method of Producing an Atomized Alloy Powder: This patent addresses the production of low-priced alloy powder with reduced surface oxidation risks. Harakawa's method involves rapid cooling of a copper and silver melt to obtain alloy powder suitable for dispersion-type conductors. The resulting alloy powder, Cu.sub.x Ag.sub.1-x, offers high quality and reliability in various applications.
Career Highlights
Harakawa's expertise in materials processing and innovation was honed during his tenure at Teikoku Piston Ring Co., Ltd., where he played a pivotal role in research and development projects. His groundbreaking inventions have garnered recognition for their practicality and impact on industrial practices.
Collaborations
Throughout his career, Harakawa collaborated closely with talented individuals such as Tsuyoshi Masumoto and Akihisa Inoue. Together, they contributed to the advancement of novel technologies in the field of metal powder production and alloy processing, setting new standards for quality and efficiency.
Conclusion
Inventor Yoshio Harakawa's dedication to pushing the boundaries of materials science has led to the creation of groundbreaking technologies that have reshaped traditional manufacturing processes. His relentless pursuit of innovation continues to inspire future generations of inventors and researchers in the quest for excellence in the field of materials engineering.