Koetsu Endo

Title: Koetsu Endo: Innovator in Phosphate Coatings

Introduction

Koetsu Endo is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of surface coatings, particularly through his innovative work on phosphate coatings for metal surfaces. With a total of 4 patents to his name, Endo's inventions have advanced the technology used in metal surface treatment.

Latest Patents

Endo's latest patents include a process for phosphating a metal surface. This process involves treating a metal surface with an acidic aqueous phosphate solution that contains zinc ions, phosphate ions, a phosphating accelerator, and a specific concentration of colloidal particles. The resulting phosphate coating exhibits excellent film adhesion, corrosion resistance, and scab corrosion resistance. Another significant patent is for a method of forming a zinc phosphate film on a metal surface. This zinc phosphate film serves as both a surface-protecting film and an undercoating film for various applications. The film is created by treating a metal surface with an aqueous zinc phosphate solution that includes specific concentrations of zinc ions, phosphate ions, and silicotungstic acid.

Career Highlights

Koetsu Endo is currently employed at Nippon Paint Company, Ltd., where he continues to develop innovative solutions in surface coatings. His work has been instrumental in enhancing the durability and performance of metal surfaces in various industries.

Collaborations

Endo has collaborated with notable coworkers, including Akio Tokuyama and Tamotsu Sobata. Their combined expertise has contributed to the success of their projects and the advancement of coating technologies.

Conclusion

Koetsu Endo's contributions to the field of phosphate coatings have established him as a key figure in surface treatment innovations. His patents reflect a commitment to improving metal surface performance, which has significant implications for various industrial applications.