Introduction: Makoto Etoh, an esteemed inventor based in Yokohama, Japan, has made significant contributions to the field of materials science through his inventive works. With a total of eight patents to his name, Etoh has focused on innovations that enhance the functionality and versatility of resin compositions in various applications.

Latest Patents: Among his latest innovations, Etoh has developed a multi-layer structure and a method for producing it. This cutting-edge design features a functional resin layer that is achieved by covering a core layer of base body resin or a second functional resin with a shell layer of a first functional resin. This configuration allows for multiple functionalities to be imparted by strategically placing the layers of functional resins, maximizing their performance. Additionally, Etoh's patent concerning an extrusion feed device for composite resin showcases his ingenuity in enabling the formation of composite resin extruded materials with various layer configurations that need not be symmetrical. By utilizing multiple cylindrical flow passages and innovative opening/closing valves, Etoh’s device can combine different types of molten resins to create diverse composite forms.

Career Highlights: Etoh's career is marked by his association with Toyo Seikan Kaisha, Ltd., where he has honed his skills and knowledge in material engineering. His patents reflect a deep understanding of resin functionality, and his work has placed him at the forefront of innovation in composite materials.

Collaborations: In his journey, Etoh has collaborated with talented individuals such as Kiyoshi Kawaguchi and Kazunobu Watanabe. Together, they have contributed significantly to the field of materials science, fostering a collaborative environment that encourages creativity and innovation.

Conclusion: Makoto Etoh stands out as a remarkable inventor whose work continues to impact the realm of composite materials and resin technology. His latest patents not only highlight his technical expertise but also showcase his commitment to advancing innovation in the industry. Through his collaborations and career at Toyo Seikan Kaisha, Ltd., Etoh remains a key figure in shaping future developments in resin applications.

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