Nobuhiro Ishii

Title: Nobuhiro Ishii: Innovator in Steering Technology

Introduction

Nobuhiro Ishii is a notable inventor based in Gunma-ken, Japan. He has made significant contributions to the field of steering apparatus technology, holding a total of 3 patents. His innovative designs have enhanced vehicle safety and performance.

Latest Patents

One of his latest patents involves a steering apparatus that ensures stability when the guide bracket is fixed to the vehicle-mounting bracket by a guide pin. In this design, the upper surfaces of the capsules are in contact with the lower surfaces of the flange portions on the guide bracket. This configuration prevents the guide bracket from rotating or moving in various directions before it is securely fixed to the vehicle body.

Another patent addresses the bending stress generated in a pinion shaft during collisions. The design features a bending facilitating portion, which is a circumferential groove that helps to concentrate stress, thereby preventing excessive bending force from being transmitted to the four-point contact type ball bearing. This innovation significantly improves the durability and reliability of steering systems.

Career Highlights

Nobuhiro Ishii has worked with prominent companies in the automotive industry, including NSK Corporation and NSK Steering Systems Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in steering technology.

Collaborations

Throughout his career, Ishii has collaborated with talented individuals such as Hisao Ubukata and Masatoshi Nagase. These partnerships have contributed to the advancement of his inventions and the overall progress in steering technology.

Conclusion

Nobuhiro Ishii's contributions to steering apparatus technology demonstrate his commitment to innovation and safety in the automotive industry. His patents reflect a deep understanding of engineering principles and a dedication to improving vehicle performance.