Toshiro Kojima

Title: Toshiro Kojima: Innovator in Crystalline Polypropylene

Introduction

Toshiro Kojima is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of crystalline polypropylene. His work has implications for various industries, including plastics and manufacturing.

Latest Patents

Kojima holds a patent for "Crystalline polypropylene and crystalline polypropylene composition." This invention features crystalline polypropylene that excels in rigidity, heat resistance, and surface hardness. The material has a weight average molecular weight (Mw) to number average molecular weight (Mn) ratio of 10 or more. It also has an intrinsic viscosity ranging from 0.8 to 5.0 dl/g, a cold xylene-soluble content of not more than 4% by weight, and a density of 0.910 g/cm³ or more at 23°C. Additionally, the long period as measured by a small-angle X-ray scattering method satisfies specific relationships at 25°C.

Career Highlights

Kojima is affiliated with Sumitomo Chemical Company, Limited, where he continues to innovate and develop new materials. His work has been instrumental in advancing the properties of polypropylene, making it more suitable for various applications.

Collaborations

Throughout his career, Kojima has collaborated with esteemed colleagues such as Masahiro Kakugo and Hajime Sadatoshi. These partnerships have fostered a collaborative environment that enhances innovation and research.

Conclusion

Toshiro Kojima's contributions to the field of crystalline polypropylene demonstrate his commitment to innovation and excellence in materials science. His patent reflects a significant advancement in the properties of polypropylene, which can lead to improved applications in various industries.