Location History:
- Atugi, JP (1990)
- Atsugi, JP (1994)
Company Filing History:
2 out of 499 
1 out of 128 Years Active: 1990-1994
Title: Haruo Iizuka: Innovator in Urethane Acrylate Oligomers and Surface Treatment Processes
Introduction
Haruo Iizuka is a notable inventor based in Atugi, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative chemical compounds and processes. With a total of 2 patents to his name, Iizuka's work has had a considerable impact on various industrial applications.
Latest Patents
Iizuka's latest patents include a novel ultraviolet-hardening urethane acrylate oligomer. This invention involves a unique reaction between an isocyanate group-having urethane prepolymer and hydroxyl group-having acrylate and/or methacrylate. The resulting oligomer exhibits a much lower viscosity and a significantly higher ultraviolet-hardening speed compared to conventional urethane acrylate oligomers. This innovation leads to films with excellent physical properties, including flexibility, heat resistance, and scratch resistance.
Another significant patent by Iizuka pertains to a process for treating plated steel sheets. This process is designed for cathodic electrodeposit coating of zinc-plated or zinc alloy-plated steel sheets. It involves applying a protective coating material on a chromate-treated steel sheet to form a protective film before the electrodeposit coating. The protective coating material contains a block isocyanate-containing prepolymer and silica sol, ensuring enhanced durability and performance.
Career Highlights
Throughout his career, Haruo Iizuka has worked with prominent companies such as Mitsubishi Kasei Corporation and Nihon Parkerizing Co., Ltd. His experience in these organizations has allowed him to refine his expertise in chemical engineering and materials science.
Collaborations
Iizuka has collaborated with notable professionals in his field, including Yukio Tsuge and Kenshi Saeki. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Haruo Iizuka's contributions to the field of materials science through his innovative patents demonstrate his commitment to advancing technology. His work in developing advanced urethane acrylate oligomers and surface treatment processes showcases the importance of innovation in industrial applications.