Hachirou Yokoyama

Title: Hachirou Yokoyama: Innovator in Yarn Production Technology

Introduction

Hachirou Yokoyama is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of textile engineering, particularly in the production of special yarns. With a total of 2 patents to his name, Yokoyama's innovations have advanced the capabilities of yarn manufacturing.

Latest Patents

Yokoyama's latest patents include an "Apparatus for Producing Special Yarns" and an "Apparatus for Controlling the Winding Speed of Roving in Roving Frame." The first patent describes a device designed to produce special yarn made from a fiber strand, where the structural parameters of the yarn, such as yarn count number or twist, can change along its length. This apparatus utilizes a central processing device to store the pattern of changes and measures the spun length of the yarn with a sensor. The second patent focuses on controlling the winding speed of roving in a roving frame. It employs a roving position detecting unit that uses photoelectric sensors to monitor the vertical position of the roving, allowing for precise adjustments to the bobbin's rotation speed.

Career Highlights

Throughout his career, Hachirou Yokoyama has worked with prominent companies in the textile industry, including Howa Kogyo Kabushiki Kaisha and Daiichi Bouseki Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in yarn production technologies.

Collaborations

Yokoyama has collaborated with notable colleagues such as Yoshiharu Yamada and Hirotaka Nishikawa. Their teamwork has likely fostered innovative ideas and advancements in their respective fields.

Conclusion

Hachirou Yokoyama's contributions to yarn production technology through his patents and collaborations highlight his role as a significant inventor in the textile industry. His work continues to influence the manufacturing processes of special yarns, showcasing the importance of innovation in this field.