Tokuo Kumagai

Title: Tokuo Kumagai: Innovator in Anodic Oxidation Coating

Introduction

Tokuo Kumagai is a notable inventor based in Suwa, Japan. He has made significant contributions to the field of anodic oxidation coatings, particularly in enhancing the color of aluminum and aluminum alloys. His innovative methods have paved the way for advancements in surface treatment technologies.

Latest Patents

Kumagai holds 1 patent for his invention titled "Electrolytically producing anodic oxidation coat on Al or Al alloy." This method involves enhancing the naturally developed color of anodic oxidation coats through a unique electrolysis process. The process utilizes a warmed electrolyte containing sulfuric acid and applies an electric current with periodically reversed polarity. The anodic oxidation coat is formed on aluminum or aluminum alloys, which are then subjected to heat treatment to further develop the color.

Career Highlights

Throughout his career, Tokuo Kumagai has worked with various organizations, including Nagano Prefecture and Kabushiki Kaisha Chiyoda. His experience in these companies has contributed to his expertise in anodic oxidation and surface treatment technologies. His innovative approach has garnered attention in the industry.

Collaborations

Kumagai has collaborated with notable coworkers such as Shoji Toba and Keigo Okubo. Their combined efforts have led to advancements in anodic oxidation techniques and have furthered the understanding of surface treatments in aluminum applications.

Conclusion

Tokuo Kumagai's contributions to anodic oxidation coating technology highlight his innovative spirit and dedication to enhancing aluminum surface treatments. His patent and collaborative efforts reflect his significant impact in the field.