Kadai Takeyama

Title: Kadai Takeyama: Innovator in Electrophotography Devices

Introduction

Kadai Takeyama is a notable inventor based in Komaki, Japan. He has made significant contributions to the field of electrophotography, holding a total of 7 patents. His work focuses on enhancing the performance and efficiency of electrophotographic devices.

Latest Patents

One of his latest patents is the development roll for electrophotography devices. This innovation aims to suppress image defects while maintaining high charging and discharging properties. The development roll consists of a shaft member, an elastic substance layer, an intermediate layer, and a surface layer. The volume resistivity of the surface layer is within the range of 1.0×10 to 1.0×10 Ω·cm, while the intermediate layer has a similar resistivity range. Another significant patent is the cleaning blade designed for removing residual toner from the surface of the target member in electrophotographic apparatuses. This cleaning blade features a blade portion with an edge that slides against the target member, incorporating an inner layer and an outer layer made of acrylic or methacrylate resin.

Career Highlights

Throughout his career, Kadai Takeyama has worked with prominent companies such as Sumitomo Riko Company Limited and Tokai Rubber Industries, Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions for electrophotography.

Collaborations

Kadai has collaborated with notable coworkers, including Toshihiko Arata and Shimpei Miyagawa. Their combined efforts have led to advancements in the technology surrounding electrophotographic devices.

Conclusion

Kadai Takeyama's contributions to the field of electrophotography are significant, with a focus on improving device performance through innovative patents. His work continues to influence the industry and drive advancements in technology.