Location History:
- Ohita, JP (1999)
- Oita, JP (1999 - 2005)
Company Filing History:
2 out of 29 
2 out of 1,960 
1 out of 405 Years Active: 1999-2005
Title: Hirotoshi Takahashi: Innovator in Polymerization Catalysts
Introduction
Hirotoshi Takahashi is a prominent inventor based in Oita, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of catalysts for the polymerization of olefins. With a total of six patents to his name, Takahashi's work has had a substantial impact on the production of high-quality propylene polymers.
Latest Patents
Takahashi's latest patents include innovative catalyst components for the polymerization of olefins. One notable invention involves a catalyst comprising a titanium compound with at least a Ti-halogen bond and two electron donor compounds supported on a magnesium dihalide. This catalyst is characterized by its ability to produce propylene polymers with high xylene insolubility and a broad range of isotacticity. Another patent focuses on a propylene-based polymer that meets specific criteria for isotactic pentad ratio and average chain length, along with a method for its production.
Career Highlights
Throughout his career, Hirotoshi Takahashi has worked with notable companies such as Japan Polyolefins Co., Ltd. and Showa Denko K.K. His expertise in polymerization catalysts has positioned him as a key figure in the industry, contributing to advancements in polymer technology.
Collaborations
Takahashi has collaborated with esteemed colleagues, including Hisayoshi Yanagihara and Kazuyuki Watanabe. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Hirotoshi Takahashi's contributions to the field of polymer chemistry through his innovative patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence the production of advanced polymer materials.