Location History:
- Kanagawa, JP (2001)
- Yokohama, JP (2001 - 2002)
Company Filing History:
3 out of 945 
1 out of 1,297 
Years Active: 2001-2002
Title: Innovations in Polymer Science: The Contributions of Jun Yonezawa
Introduction
Jun Yonezawa, an esteemed inventor based in Yokohama, Japan, has made significant strides in the field of polymer science, holding a total of four patents. His work focuses primarily on hydrogenated block copolymers, innovative materials that enhance the functionality and versatility of various applications in industrial settings.
Latest Patents
Jun Yonezawa's latest patents include the development of advanced hydrogenated block copolymers. These materials comprise at least two polymer blocks A, each containing aromatic vinyl hydrocarbon compound monomer units, and at least two hydrogenated polymer blocks B, primarily composed of hydrogenated butadiene monomer units. In these innovative copolymers, at least 90% of the olefinically unsaturated double bonds in the polymer blocks are hydrogenated, leading to improved attributes such as enhanced tensile elongation at break and superior moldability. Specific proportions are maintained within the copolymer structure, ensuring that the final resin composition meets high-performance standards in molded articles.
Career Highlights
Throughout his career, Jun Yonezawa has worked with reputable organizations, including Asahi Kasei Corporation and Asahi Kasei Kogyo Corporation. His experiences at these companies have contributed significantly to his expertise and innovative mindset, driving forward advancements in polymer technology.
Collaborations
Jun has collaborated with notable professionals in the field, such as Kiyoo Kato and Eiji Sasaya. These partnerships have allowed for a fruitful exchange of ideas and methodologies that culminate in enhanced research and product development in polymer applications.
Conclusion
Jun Yonezawa's contributions to hydrogenated block copolymers exemplify the intersection of science and innovation. With a focus on improving material properties and performance metrics, his patents showcase the importance of ongoing research and collaboration in pushing the boundaries of polymer technology. His work continues to inspire future advancements within the field, solidifying his reputation as a leading inventor in polymer science.