Susumu Ejiri

Title: Susumu Ejiri: Innovator in Ethylene Polymer Technology

Introduction

Susumu Ejiri is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of polymer technology, particularly in the development of ethylene polymer pellets and thermoplastic elastomer compositions. With a total of 4 patents to his name, Ejiri continues to push the boundaries of innovation in his field.

Latest Patents

Ejiri's latest patents include groundbreaking work on ethylene polymer pellets and the extrusion processes associated with them. One of his patents describes a pellet of an ethylene polymer that exhibits a kneading torque at 160°C of 2 to 15 Nm, with a specific surface area ranging from 1,800 to 3,000 mm/g. Another significant patent focuses on a thermoplastic elastomer composition that comprises 100 parts by weight of a polyolefin resin, along with varying amounts of rubbery polymer and ethylene-α-olefin copolymer rubber. This composition is characterized by a complex dynamic viscosity at 250°C of 1.5×10 poise or less, and a specific tan δ peak that is distinct from the polyolefin resin and rubbery polymer.

Career Highlights

Ejiri is currently employed at Sumitomo Chemical Company, Limited, where he applies his expertise in polymer science to develop innovative materials. His work has not only advanced the understanding of polymer properties but has also contributed to the practical applications of these materials in various industries.

Collaborations

Throughout his career, Ejiri has collaborated with esteemed colleagues such as Yoshihiro Nakatsuji and Hiroyuki Sugimoto. These collaborations have fostered a rich environment for innovation and have led to the successful development of new technologies in the field of polymer science.

Conclusion

Susumu Ejiri's contributions to the field of polymer technology are noteworthy, with his innovative patents paving the way for advancements in material science. His work at Sumitomo Chemical Company, Limited, along with his collaborations, highlights his commitment to innovation and excellence in his field.