Haruo Nakamichi

Title: Haruo Nakamichi: Innovator in Surface-Treated Steel Technology

Introduction

Haruo Nakamichi is a notable inventor based in Tokyo, Japan, recognized for his significant contributions to the field of surface-treated steel technology. With a total of seven patents to his name, his innovations play a crucial role in enhancing the properties and applications of steel sheets.

Latest Patents

Nakamichi's latest patents focus on advanced surface-treated steel sheets that can be produced without the use of hexavalent chromium, a harmful substance. One of his innovative patents describes a surface-treated steel sheet that exhibits excellent sulfide staining resistance and superior coating secondary adhesion. This patent outlines a structure comprising a Sn plating layer, a metallic Cr layer on the Sn plating layer, and a Cr oxide layer atop the metallic Cr layer. The water contact angle of this surface-treated steel sheet is 50° or less, and it maintains a total atomic ratio of potassium, sodium, magnesium, and calcium adsorbed on the surface to chromium of 5% or less.

Another recent patent emphasizes film wet adhesion, coating secondary adhesion, high film corrosion resistance, and coating corrosion resistance. This patent describes a steel sheet with a metallic Cr layer on at least one surface and a Cr oxide layer on the metallic Cr layer. Similar to his other patent, it achieves a water contact angle of 50° or less, along with the same atomic ratio of adsorbed elements to chromium.

Career Highlights

Nakamichi has made significant strides in his career, contributing his expertise while working for prominent companies such as JFE Steel Corporation and Kansai Paint Company, Ltd. His technical prowess has enabled him to develop groundbreaking technologies that benefit the industry and enhance product reliability.

Collaborations

Throughout his career, Nakamichi has collaborated with esteemed colleagues, including Kenichiro Eguchi and Kyono Yasuda. These partnerships have fostered a creative environment, amplifying the development of innovative solutions within the field and pushing the boundaries of what's possible in surface-treated steel technology.

Conclusion

Haruo Nakamichi's work stands testament to the impact of innovation in the materials industry. As his patents continue to pave the way for safer and more effective surface treatments, his legacy as a leading inventor in this domain is firmly established, driving advancements in technology while prioritizing environmental safety.