Etsuo Hamada

Title: Etsuo Hamada: Innovator in Surface Treatment Technologies

Introduction

Etsuo Hamada is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of surface treatment technologies, particularly for zinc and zinc alloy coated steel sheets. With a total of 6 patents to his name, Hamada's work focuses on developing environmentally friendly solutions that enhance the durability and performance of metal materials.

Latest Patents

Hamada's latest patents include a chromium-free surface treatment agent and a surface treatment liquid for zinc or zinc alloy coated steel sheets. The surface treatment agent comprises a resin compound with a specific bisphenol skeleton, cationic urethane resin emulsion, silane coupling agent, organic titanium chelate compound, quadrivalent vanadyl compound, molybdic acid compound, and water. This innovative formulation ensures a pH value between 4 and 5, providing excellent stability during storage and superior corrosion resistance on metal surfaces. The surface treatment liquid also features a similar composition, designed to enhance corrosion resistance, solvent resistance, and paintability after alkaline degreasing.

Career Highlights

Throughout his career, Etsuo Hamada has worked with notable companies such as JFE Steel Corporation and NKK Corporation. His experience in these organizations has allowed him to refine his expertise in surface treatment technologies and contribute to advancements in the industry.

Collaborations

Hamada has collaborated with esteemed colleagues, including Masayasu Nagoshi and Akira Matsuzaki. These partnerships have fostered innovation and the exchange of ideas, further enhancing the impact of his work.

Conclusion

Etsuo Hamada's contributions to surface treatment technologies demonstrate his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of material science and a dedication to improving the performance of coated steel sheets.