Nobumichi Shigetomi

Title: Nobumichi Shigetomi: Innovator in Elevator Technology

Introduction

Nobumichi Shigetomi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of elevator technology, particularly with his innovative designs aimed at improving efficiency and safety.

Latest Patents

Shigetomi holds a patent for a guide rail lubricating device for elevators. This device features oil-retaining sheets designed with specific characteristics to enhance performance. In each of the oil-retaining sheets, the end edge and side edges of a recess are separated from each other. The side edges are formed into tongue portions covered by first anti-wear meshes, which prevent the loosening of the side edges. These tongue portions maintain sliding contact with their corresponding side walls of a guide portion of a guide rail. The end edge is covered by a second anti-wear mesh, which also prevents loosening and is maintained in sliding contact with an end wall of the guide portion. A gap is formed to keep the tongue portions and the second anti-wear mesh out of contact with each other.

Career Highlights

Throughout his career, Nobumichi Shigetomi has worked with prominent companies such as Hitachi Building Systems Co., Ltd. and Nanshin Kiko Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in elevator technology.

Collaborations

Shigetomi has collaborated with notable coworkers, including Masaki Nakano and Tomoharu Onishi. Their combined expertise has fostered innovation and development in their respective fields.

Conclusion

Nobumichi Shigetomi's contributions to elevator technology through his patent and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.