Location History:
- Mie-gun, JP (1999)
- Mie-ken, JP (1996 - 2001)
Company Filing History:
Years Active: 1996-2001
Title: Hisami Yasuda: Innovator in Ethylene/&agr;-Olefin Copolymer Production
Introduction
Hisami Yasuda is a prominent inventor based in Mie-ken, Japan. She has made significant contributions to the field of polymer chemistry, particularly in the production of ethylene/&agr;-olefin copolymers. With a total of 5 patents to her name, Yasuda's work has advanced the efficiency and quality of polymer production processes.
Latest Patents
Yasuda's latest patents focus on innovative processes for producing ethylene/&agr;-olefin copolymers. One notable patent describes a method where ethylene is copolymerized with an &agr;-olefin having three or more carbons using an olefin polymerization catalyst at a temperature of not lower than 120°C. The catalyst comprises a metallocene compound containing hafnium, an ionizing ionic compound, and an organoaluminum compound. This process is designed to produce high molecular weight copolymers efficiently.
Another patent outlines a similar process that also results in an ethylene/&agr;-olefin copolymer with a weight-average molecular weight of not less than 40,000. The use of the specified catalyst components ensures that the copolymerization occurs effectively, leading to high-quality products.
Career Highlights
Yasuda is currently employed at Tosoh Corporation, where she continues to innovate in the field of polymer production. Her work has not only contributed to the company's success but has also positioned her as a leader in polymer chemistry.
Collaborations
Throughout her career, Yasuda has collaborated with notable colleagues, including Saiki Hasegawa and Akihiro Yano. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in polymer science.
Conclusion
Hisami Yasuda's contributions to the field of polymer chemistry, particularly in the production of ethylene/&agr;-olefin copolymers, highlight her innovative spirit and dedication to advancing technology. Her work at Tosoh Corporation and her collaborations with esteemed colleagues further emphasize her impact on the industry.