Satoshi Shirahase

Title: Satoshi Shirahase: Inventor of a Stud Bolt Design

Introduction

Satoshi Shirahase is an inventor associated with Kyoto, Japan, and Nittoseiko Co., Ltd. His recorded patent concerns a stud bolt designed to remain securely attached to a mounting target plate while resisting rotation. Shirahase has 1 patent listed in the information provided.

Latest Patents

Shirahase’s listed patent is titled “Stud bolt.” The invention describes a stud bolt with a head, screw shaft portion, rotation stop portion, annular groove, and annular protrusion. The mounting target plate is held between the head’s bearing surface and the annular protrusion. A recessed portion at the rotation stop portion extends toward the upstream side in the screw-advance direction. Together, these features are intended to retain the bolt and prevent it from rotating relative to the plate.

Career Highlights

Shirahase’s listed invention addresses the practical fastening challenge of securing a stud bolt to a mounting plate while limiting unwanted rotation. His work is associated with Nittoseiko Co., Ltd., a company connected with fastening technology.

Collaborations

The provided information identifies Shingo Torii and Keiichi Miyata as Shirahase’s coworkers. It does not specify their roles in developing or patenting the stud bolt.

Conclusion

Satoshi Shirahase’s recorded patent reflects an engineering approach to reliable fastening, combining retention and rotation resistance in a stud bolt designed for mounting plates.