Katsuhiro Tsukiyama

Title: Katsuhiro Tsukiyama: Innovator in Screw Technology

Introduction

Katsuhiro Tsukiyama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of fastening technology, particularly through his innovative patent related to screws.

Latest Patents

Tsukiyama holds a patent for a screw and screw fastening structure. This invention features a screw treated with a chemical conversion coating of trivalent chromium, which provides torque characteristics comparable to those of screws treated with hexavalent chromate. The design includes a zinc plating layer formed on the surface of the bolt, which is then coated with a thin and soft layer of trivalent chromium. This unique coating allows the zinc-based plating layer to be exposed at the contact points when the bolt is tightened, enhancing its functionality.

Career Highlights

Throughout his career, Katsuhiro Tsukiyama has worked with prominent companies such as Saga Tekkohsho Co., Ltd. and Honda Motor Co., Ltd. His experience in these organizations has contributed to his expertise in the field of fastening technology.

Collaborations

Tsukiyama has collaborated with notable coworkers, including Tetsuya Asai and Yoshihiro Takitani. Their combined efforts have further advanced the innovations in screw technology.

Conclusion

Katsuhiro Tsukiyama's contributions to screw technology through his patent demonstrate his innovative spirit and dedication to improving fastening solutions. His work continues to influence the industry and showcases the importance of advancements in this field.