Munehiro Chosa

Title: Munehiro Chosa: Innovator in Thermoplastic Resin Technology

Introduction

Munehiro Chosa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of thermoplastic resin technology, holding a total of seven patents. His innovative approaches have led to advancements in manufacturing methods and materials used in various applications.

Latest Patents

Chosa's latest patents include a method for producing transparent thermoplastic resin pellets. This method involves kneading a transparent thermoplastic resin with a kneader under specific conditions, ensuring a damage history calculated between 500 to 2,500. The formula for damage history incorporates various parameters such as residence time, shear rate, screw groove width, and screw rotation number. Another notable patent is for aromatic polycarbonate resins designed for optical disk substrates. This invention enhances the reliability and molding yield of optical disc substrates by incorporating specific additives and controlling the water content in the resin.

Career Highlights

Throughout his career, Munehiro Chosa has worked with notable companies, including Idemitsu Petrochemical Co., Ltd. and Idemitsu Kosan Company, Limited. His experience in these organizations has allowed him to refine his expertise in resin technology and contribute to various innovative projects.

Collaborations

Chosa has collaborated with talented individuals in his field, including Tatsuya Tomioka and Hiroshi Kawato. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Munehiro Chosa's work in thermoplastic resin technology exemplifies the spirit of innovation. His patents and collaborations reflect a commitment to advancing materials science, making a lasting impact in the industry.