This inventor holds 5 USPTO granted patents. Top assignee: Chisso Corporation. Active years: 1995-2002.
Location History:
- Chiba-ken, JP (1997)
- Ichihara, JP (1995 - 2001)
- Chiba, JP (2002)
Company Filing History:
Years Active: 1995-2002
Title: Innovations of Hirohisa Ishii in Polymer Technology
Introduction
Hirohisa Ishii is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of polymer technology, particularly in the development of advanced plastic molded products. With a total of 5 patents to his name, Ishii's work has had a considerable impact on the industry.
Latest Patents
One of Ishii's latest patents focuses on molded resin articles. This invention describes a plastic molded product made from an olefin (co)polymer composition. It includes a specific range of high molecular weight polyethylene and polypropylene, which enhances the melt strength and crystallization temperature of the product. This innovation allows for various molding methods to be performed with high-speed productivity. Another notable patent involves a polypropylene composition designed for producing molded articles with excellent properties such as moldability, impact resistance, and transparency. This composition includes a propylene homopolymer and a propylene-ethylene copolymer, ensuring a balance of desirable characteristics in the final products.
Career Highlights
Hirohisa Ishii is currently employed at Chisso Corporation, where he continues to innovate in the field of polymer science. His work has been instrumental in advancing the capabilities of plastic materials, making them more versatile and efficient for various applications.
Collaborations
Ishii has collaborated with notable colleagues such as Toshihiko Nishida and Masataka Sugimoto. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies in polymer applications.
Conclusion
Hirohisa Ishii's contributions to polymer technology exemplify the importance of innovation in the field of materials science. His patents reflect a commitment to enhancing the performance and functionality of plastic products, paving the way for future advancements.