Kiyokazu Okumoto

Title: Kiyokazu Okumoto: Innovator in High-Strength Polyethylene Filaments

Introduction

Kiyokazu Okumoto is a notable inventor based in Otsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of high-strength polyethylene filaments. His innovative work has led to advancements that are crucial for various industrial applications.

Latest Patents

Kiyokazu Okumoto holds a patent for "Stretched polyethylene filaments of high strength and high modulus." This patent describes a method for creating stretched filaments made from polyethylene with a weight average molecular weight of not less than 3 × 10^6. The filaments exhibit a strength of not less than 50 g/d and an initial modulus of not less than 1,500 g/d. The long period structure is substantially not observed, which is achieved by spinning a dilute solution of polyethylene and stretching the resultant gel-like filaments in multi-stages.

Career Highlights

Kiyokazu Okumoto is associated with Toyo Boseki Kabushiki Kaisha, where he has been instrumental in research and development. His work has not only contributed to the company's portfolio but has also enhanced the understanding of polymer materials in the industry.

Collaborations

Throughout his career, Kiyokazu has collaborated with notable colleagues such as Toshihiko Ohta and Fujio Okada. These collaborations have fostered a productive environment for innovation and have led to further advancements in their respective fields.

Conclusion

Kiyokazu Okumoto's contributions to the field of high-strength polyethylene filaments exemplify the impact of innovative thinking in materials science. His work continues to influence the industry and pave the way for future advancements.