Yoshiaki Iwaya

Title: Yoshiaki Iwaya: Innovator in PTC Elements and Fiber-Reinforced Materials

Introduction

Yoshiaki Iwaya is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of materials science, particularly in the development of positive temperature coefficient (PTC) elements and fiber-reinforced materials. With a total of 6 patents to his name, Iwaya's work has had a considerable impact on various industries.

Latest Patents

One of Iwaya's latest patents is focused on a PTC element and the process for producing it. This innovative PTC element comprises a conductive sheet made of a crystalline polyolefin matrix and a conductive filler. It features electrodes of metallic foil on both sides, achieving a resistivity at 20°C of not more than 1.8 Ω·cm and a peak resistivity of not less than 2.0×10^6 Ω·cm. The production process involves mixing crystalline polyolefin with a conductive filler, molding the mixture into a conductive sheet, and press bonding a metallic foil to both sides. The resulting PTC elements exhibit extremely low resistivity at 20°C and a high resistivity at peak temperatures, demonstrating a steep increase in resistance within a narrow temperature range.

Career Highlights

Throughout his career, Yoshiaki Iwaya has worked with prominent companies such as Unitika Ltd. and Osaka Gas Company Limited. His expertise in materials science has allowed him to contribute to various innovative projects and advancements in technology.

Collaborations

Iwaya has collaborated with notable colleagues, including Yoshiaki Echigo and Keiichi Asami. Their combined efforts have furthered research and development in the field of materials science.

Conclusion

Yoshiaki Iwaya's contributions to the development of PTC elements and fiber-reinforced materials highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future innovations.