Shigehumi Takuno

Title: Shigehumi Takuno: Innovator in Multi-Layer Foamed Sheet Production

Introduction

Shigehumi Takuno is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of materials science, particularly in the production of multi-layer foamed sheets. His innovative methods have the potential to enhance the quality and efficiency of foamed sheet manufacturing.

Latest Patents

Takuno holds a patent for "Methods for producing multi-layer foamed sheets." This invention provides a method for producing a multi-layer foamed sheet with an improved scale-like appearance through a multi-layer circular die coextrusion method. The method involves creating foam layers and non-foam layers, ensuring that the shear stress at the interface of each layer is between 5000 Pa and 50000 Pa. Additionally, the non-foam layer is made from a linear propylenic resin with a melt flow rate of 5 to 30 g/10 minutes. The foam layer consists of a propylenic resin that meets specific melt tension and melt flow rate criteria.

Career Highlights

Shigehumi Takuno is currently employed at Sumitomo Chemical Company, Limited, where he continues to develop innovative solutions in materials science. His work has garnered attention for its practical applications in various industries.

Collaborations

Takuno collaborates with talented coworkers, including Tatsuhiro Nagamatsu and Akinobu Sakamoto. Their combined expertise contributes to the advancement of technologies in their field.

Conclusion

Shigehumi Takuno's contributions to the production of multi-layer foamed sheets exemplify the impact of innovation in materials science. His patent reflects a commitment to improving manufacturing processes and product quality.