Hiroki Shiratsuchi

Title: Innovations by Hiroki Shiratsuchi

Introduction

Hiroki Shiratsuchi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of sewing technology, holding three patents to his name. His work focuses on enhancing the functionality and efficiency of sewing machines and related devices.

Latest Patents

Shiratsuchi's latest patents include a bobbin winding device and an advanced sewing machine. The bobbin winding device features a large-diameter bobbin mode, where a switching lever is strategically arranged to prevent the lowering of the thread trimming holder. This design ensures that when the spool shaft is rotated, the bobbin thread does not wind around the small-diameter bobbin, allowing for smoother operation. The sewing machine incorporates a unique function that adjusts the thread margin remaining on the cloth side to a desired amount. It includes a cutting member that effectively cuts both the upper and lower threads, along with a thread length adjustment mechanism that fine-tunes the thread length extending from the needle plate to the cutting member.

Career Highlights

Hiroki Shiratsuchi is currently employed at Janome Sewing Machine Company Limited, a leading manufacturer in the sewing machine industry. His innovative designs and patents have contributed to the company's reputation for quality and technological advancement in sewing solutions.

Collaborations

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Conclusion

Hiroki Shiratsuchi's contributions to sewing technology through his patents reflect his dedication to innovation and improvement in the industry. His work continues to influence the design and functionality of sewing machines, making a lasting impact on the field.