Takeshi Inada

Title: Takeshi Inada: Forging and Bolt-Forming Innovations.

Introduction

Takeshi Inada is an inventor based in Tokai, Japan, whose work focuses on metal forging and forming processes. He is associated with Toyota Jidosha Kabushiki Kaisha, commonly known as Toyota Motor Corporation. Inada is credited with 4 patents.

Latest Patents

Inada’s listed recent patents address methods for shaping rod-shaped metal workpieces and forming axially extendable bolts.

“Method of Forging Rod-Shaped Work” describes placing a metal rod in a forging die and applying an axial load while generating a twist during upset forging. The process forms an expanded portion and is designed to prevent underfill that a subsequent drawing process cannot remove.

“Process for Forming Axially-Extendable Bolt by Upsetting” describes a staged process using a die with a through bore, an internal upsetting cavity, and a buffer space. During the primary pressing stage, excess material flows into the buffer space, forming a projecting flash that helps equalize irregularities caused by shearing. During the secondary pressing stage, an intermediate portion of the bolt precursor expands within the cavity to create the upset portion.

Career Highlights

Inada’s patent work reflects an emphasis on controlling material flow and improving the consistency of forged components. His disclosed methods use die design and staged pressing to address forming defects and shape metal parts.

Collaborations

Inada’s listed coworkers include Teruki Kameda and Munechika Nakane. His work is associated with Toyota Motor Corporation.

Conclusion

Takeshi Inada’s patents describe practical forging and bolt-forming techniques aimed at improving the shape and quality of metal components.