Shingo Katayama

Title: Shingo Katayama: Innovator in Laminated Films and Medical Resins

Introduction

Shingo Katayama is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of laminated films and polypropylene resin compositions. With a total of 2 patents to his name, Katayama continues to push the boundaries of innovation in his industry.

Latest Patents

Katayama's latest patents include a laminated film and bag designed to incorporate recycled materials. The objective of this invention is to provide a laminated film that not only contains recycled resin but also boasts excellent appearance and minimal damage properties. This laminated film consists of three or more resin layers, including at least one inner layer made from a recycled resin composition that contains an antioxidant. The antioxidant content ranges from 100 ppm to 2000 ppm by mass relative to the recycled resin composition. Additionally, the two surface layers are made from unused resin.

Another notable patent involves a polypropylene resin composition intended for medical use. This composition includes a propylene-based polymer, a styrene-based elastomer, a hindered amine light stabilizer with a secondary amino group, and a nucleating agent containing an aromatic phosphate metal salt. The propylene-based polymer constitutes more than 90% by mass, while the styrene-based elastomer makes up between 1% and less than 10% by mass.

Career Highlights

Shingo Katayama is currently employed at Sumitomo Chemical Company, Limited, where he applies his expertise in materials science to develop innovative solutions. His work has garnered attention for its focus on sustainability and functionality, particularly in the context of medical applications.

Collaborations

Katayama collaborates with fellow inventor Fumito Urano, contributing to advancements in their respective fields. Their partnership exemplifies the importance of teamwork in driving innovation.

Conclusion

Shingo Katayama is a noteworthy inventor whose work in laminated films and polypropylene resins reflects a commitment to innovation and sustainability. His contributions continue to impact the materials science industry positively.