Junpei Hayashi

Title: Junpei Hayashi: Inventor in Terminal Crimping Technology.

Introduction

Junpei Hayashi is an inventor based in Shizuoka, Japan, associated with Yazaki Corporation. His work includes terminal crimping methods and structures for connecting electrical wires to terminals. He is credited with 2 patents.

Latest Patents

Hayashi’s listed patents address ways to crimp a terminal’s fixing cylinder portion around the end of an electric wire.

One patent describes a terminal with a flange that protrudes outward and includes at least one radial notch. A pair of dies with pressing projections crimps the fixing cylinder portion, forming recesses in the crimped area.

The other patent describes dies with flat pressing projections whose length in one axial direction exceeds their length in the perpendicular direction. During crimping, these projections form recesses in the fixing cylinder portion.

Career Highlights

Hayashi’s listed inventions focus on the design and application of crimping tools and terminal structures. These approaches use shaped die projections to create crimp recesses while securing a wire within a terminal.

Collaborations

Hayashi’s listed coworkers include Satoki Masuda and Yoshinao Sato. The provided information identifies his association with Yazaki Corporation but does not specify the nature of these collaborations.

Conclusion

Junpei Hayashi’s patent work at Yazaki Corporation centers on terminal crimping methods that use shaped pressing projections to form crimp recesses and secure electrical wires.