Location History:
- Kuga-Gun, JP (1996)
- Waki-cho, JP (2000)
- Yamaguchi-ken, JP (2003)
- Sodegaura, JP (2008)
Company Filing History:
2 out of 1,008 
2 out of 1,788 Years Active: 1996-2008
Title: Shigetoshi Nishijima: Innovator in Polyolefin-Based Resins
Introduction
Shigetoshi Nishijima is a notable inventor based in Sodegaura, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced polyolefin-based resins. With a total of 4 patents to his name, Nishijima's work has had a profound impact on various industries.
Latest Patents
Nishijima's latest patents include innovative technologies that enhance the performance of films and resin compositions. One of his notable inventions is a drawn film and process for producing the same. This film exhibits high rigidity, heat resistance, and excellent releasability from roughened copper foil surfaces, making it suitable for producing MLBs. The film comprises a copolymer made from 4-methyl-1-pentene and ethylene or other α-olefins, ensuring optimal thermal contraction and peel area when subjected to heating and pressing treatments.
Another significant patent involves polyolefin-based resin compositions and the fabricated products derived from them. This transparent, low-water-absorption resin composition contains a sorbitol-based derivative and demonstrates exceptional transparency, heat resistance, and water vapor resistance. It is particularly useful for optical products and medical applications due to its durability and clarity.
Career Highlights
Throughout his career, Shigetoshi Nishijima has worked with prominent companies such as Mitsui Petrochemical Industries, Ltd. and Mitsui Chemicals, Inc. His experience in these organizations has allowed him to refine his expertise in polymer science and contribute to groundbreaking innovations in the field.
Collaborations
Nishijima has collaborated with esteemed colleagues, including Toshiyuki Hirose and Yohzoh Yamamoto. These partnerships have fostered a creative environment that has led to the development of advanced materials and technologies.
Conclusion
Shigetoshi Nishijima's contributions to the field of polyolefin-based resins and films have established him as a key figure in materials science. His innovative patents continue to influence various industries, showcasing the importance of research and development in advancing technology.