Tomoyo Okumura

Title: Tomoyo Okumura: Innovator in Polyamide Composition

Introduction

Tomoyo Okumura is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of materials science, particularly in the development of polyamide compositions. Her innovative work has led to advancements in the properties and applications of polyamide materials.

Latest Patents

Tomoyo Okumura holds a patent for a polyamide composition and molded article. The invention provides a polyamide composition containing 50 to 99 parts by mass of an aliphatic polyamide formed from a diamine and a dicarboxylic acid, along with 1 to 50 parts by mass of a semi-aromatic polyamide. This semi-aromatic polyamide includes a dicarboxylic acid unit that contains at least 75 mol % of isophthalic acid and a diamine unit that includes at least 50 mol % of a diamine with 4 to 10 carbon atoms. The composition is characterized by a tan δ peak temperature of at least 90°C and a weight average molecular weight Mw that satisfies the range of 15,000 ≤ Mw ≤ 35,000. Additionally, the invention encompasses a molded article formed using this polyamide composition.

Career Highlights

Tomoyo Okumura is associated with Asahi Kasei Corporation, where she has been instrumental in research and development. Her work has not only contributed to the company's portfolio but has also enhanced the understanding of polyamide materials in various applications.

Collaborations

Throughout her career, Tomoyo has collaborated with notable colleagues, including Shinji Ieda and Koichi Nagase. These collaborations have fostered a productive environment for innovation and have led to the successful development of new materials.

Conclusion

Tomoyo Okumura's contributions to the field of polyamide compositions exemplify her dedication to innovation and material science. Her patent reflects her expertise and commitment to advancing technology in this area.