Akihiro Ohba

Title: Akihiro Ohba: Innovator in Polyamide Fiber Technology

Introduction

Akihiro Ohba is a prominent inventor based in Iwakuni, Japan. He has made significant contributions to the field of polyamide fiber technology, holding a total of 4 patents. His work focuses on improving the quality and dyeability of aromatic polyamide fibers, which are essential in various applications.

Latest Patents

Ohba's latest patents include a process for producing meta-aromatic polyamide fiber. This innovative process allows for the efficient production of high-quality meta aramid filaments from a polymer solution. The steps involve polymerization, neutralization of hydrogen chloride, filtration, and the preparation of a spinning solution, culminating in the extrusion of filamentary streams into an aqueous coagulation liquid. Additionally, he has developed easily dyeable meta-linkage-containing aromatic polyamide fibers. These fibers incorporate a quaternary onium salt of an alkylbenzenesulfonic acid, making them compatible with cationic dyes and suitable for use in bedding, clothing, and interior decoration.

Career Highlights

Ohba is associated with Teijin Limited, a leading company in the field of advanced materials. His work has not only advanced the technology of polyamide fibers but has also contributed to the company's reputation for innovation in textile materials.

Collaborations

Some of his notable coworkers include Jiro Sadanobu and Tsutomu Nakamura. Their collaborative efforts have further enhanced the research and development of polyamide technologies.

Conclusion

Akihiro Ohba's contributions to polyamide fiber technology demonstrate his commitment to innovation and excellence in the field. His patents reflect a deep understanding of material science and a drive to improve the functionality of textile products.