Location History:
- Ishikawa, JP (2002)
- Moriyama, JP (2008)
- Shiga, JP (2010)
- Chiba, JP (2010)
Company Filing History:
5 out of 1,109 
3 out of 5 Years Active: 2002-2010
Title: **Hisanobu Minamizawa: Innovator in Elastic Nonwoven Fabrics**
Introduction
Hisanobu Minamizawa is a prominent inventor based in Moriyama, Japan, known for his innovative contributions to the field of nonwoven fabrics. With a total of five patents to his name, Minamizawa has made significant strides in enhancing the properties of fiber products, making them more functional and cost-effective.
Latest Patents
Minamizawa's latest patents include groundbreaking work in two key areas: elastic nonwoven fabrics and fluorinated polymers.
1. **Elastic Nonwoven Fabric and Fiber Products Manufactured Therefrom**: This invention addresses the need for a nonwoven fabric that combines excellent elasticity with the ability to maintain adequate strength under elongation. The fabric is designed to have a favorable feeling while being produced at a low cost. The solution involves a unique composition of long elastomeric fibers and non-elastomeric fibers, optimized in a weight ratio of 50/50 to 95/5. Remarkably, this fabric achieves an elongation recovery rate of 70% or higher after 50% elongation, along with appropriate resistance to peeling apart.
2. **Fluorinated Polymer and Polymer Composition**: This patent encompasses addition polymers of fluorosilsesquioxane, including copolymers formed with organopolysiloxane and other addition polymerizable monomers. These innovations are particularly valuable for creating durable coating films, enhancing the versatility and application of fluorinated polymers in various industries.
Career Highlights
Throughout his career, Minamizawa has been associated with notable companies, including Chisso Corporation and Chisso Polypro Fiber Company Limited. His work in these organizations has contributed to advancing materials science and the commercial viability of innovative fiber products.
Collaborations
Minamizawa has collaborated with skilled professionals such as Yoshimi Tsujiyama and Junji Iwata. Together, they have pushed the boundaries of fabric technology, combining their expertise to generate cutting-edge solutions in the fiber industry.
Conclusion
Hisanobu Minamizawa's inventive spirit and dedication to innovation in nonwoven fabrics have led to significant advancements in the field. Through his patents, he continues to influence the development of functional fabrics, creating products that are not only efficient but also cost-effective. His contributions pave the way for future innovations in textile technology.