Koichi Iohara

Title: **Koichi Iohara: Innovator in Textile Technology**

Introduction

Koichi Iohara is a distinguished inventor based in Matsuyama, Japan, recognized for his significant contributions to the field of textile technology. With a portfolio that includes four patents, Iohara has been instrumental in improving the properties and production processes of various textile materials.

Latest Patents

Iohara's latest innovations include a focus on polytrimethylene terephthalate (PTT) filament yarn and a bulky polyester multifilament composite yarn. His patent for the PTT filament yarn describes a product that can be produced through high-speed spinning methods. This yarn maintains a high residual elongation and excellent draw-false twisting processability. The incorporation of 0.5 to 4.0% by mass of filament elongation enhancing agent particles is pivotal, allowing for a significant increase in residual elongation of 30% or more. Additionally, the yarn exhibits critical properties such as a birefringence range of 0.02 to 0.07 and a thermal stress peak value of 0.18 cN/dtex or less.

In his other patent, Iohara has developed a bulky polyester multifilament composite yarn that combines two types of polyester filaments differing in average length. This innovation aims to achieve both delicate handling and appropriate bulkiness, illustrating Iohara's adeptness in leveraging materials for enhanced textile applications.

Career Highlights

Koichi Iohara is currently employed at Teijin Limited, a leading company in the textile industry. His work has not only contributed to the innovations within his company but has also influenced the broader textile market. Iohara’s patents reflect his dedication to advancing textile technology through innovative processes and materials.

Collaborations

Throughout his career, Iohara has collaborated with notable colleagues in the industry, including Mie Yoshimura and Shinji Owaki. These collaborative efforts reflect a commitment to pushing the boundaries of textile innovation, demonstrating the importance of teamwork in achieving groundbreaking results.

Conclusion

Koichi Iohara stands as a prominent figure in the textile industry, with a strong portfolio of patents that highlight his innovative spirit and expertise. His contributions significantly advance the field and serve as an inspiration for future inventors looking to make their mark in textile technology.