Location History:
- Iwakuni, JP (1978)
- Waki, JP (1992)
- Kuga, JP (1993 - 1994)
Company Filing History:
4 out of 1,008 
2 out of 1,645 
Years Active: 1978-1994
Title: Innovations of Shuzo Sasagawa
Introduction
Shuzo Sasagawa is a notable inventor based in Kuga, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced synthetic fibers. With a total of four patents to his name, his work has had a considerable impact on various industries.
Latest Patents
One of Shuzo Sasagawa's latest patents focuses on the production of bulky split fibers with enhanced bond strength. This innovative method involves preparing a composite synthetic resin film with a three-layer structure. The film consists of a polypropylene layer made from a polypropylene/polyethylene blend, with polyethylene layers on either side. The process includes slitting and stretching the composite film to create stretched tapes, which are then split for fibrillation. An integral article is formed from the resulting split fibers by mixing them with plant fibers and heating them at a temperature between the melting points of polyethylene and polypropylene. This method effectively integrates the split fibers with each other or with the plant fibers, showcasing Sasagawa's ingenuity in material development.
Career Highlights
Throughout his career, Shuzo Sasagawa has worked with prominent companies such as Mitsui Petrochemical Industries, Ltd. and Unicharm Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in synthetic materials.
Collaborations
Sasagawa has collaborated with notable colleagues, including Kazunari Nishino and Hirofumi Katsurayama. These partnerships have fostered a creative environment that has led to the advancement of their collective research and development efforts.
Conclusion
Shuzo Sasagawa's contributions to the field of synthetic fibers and materials science are noteworthy. His innovative patents and collaborations reflect his commitment to advancing technology in this area. His work continues to influence the industry and inspire future innovations.