Yasuhiko Ishikawa

Title: Yasuhiko Ishikawa: Innovator in Light-Receiving Technology

Introduction

Yasuhiko Ishikawa is a prominent inventor based in Bunkyo-ku, Japan. He is known for his significant contributions to the field of light-receiving elements and near-infrared light detection. His innovative work has led to advancements that enhance the efficiency and cost-effectiveness of light-receiving technologies.

Latest Patents

Yasuhiko Ishikawa holds a patent for a light-receiving element and near-infrared light detector. This invention addresses the need for a light-receiving element that features an absorption layer made of germanium (Ge). It is designed to efficiently receive near-infrared light with high sensitivity, while also ensuring high productivity and low production costs. The light-receiving element consists of an amplification layer containing silicon (Si), an absorption layer containing germanium (Ge), and an antireflection layer. The amplification layer includes at least an n-doped n-Si layer and a p-doped p-Si layer, while the absorption layer has at least a p-doped p-Ge layer.

Career Highlights

Throughout his career, Yasuhiko Ishikawa has worked with notable organizations, including Konica Minolta, Inc. and The University of Tokyo. His experience in these institutions has allowed him to develop and refine his innovative technologies, contributing to advancements in the field of optics and light detection.

Collaborations

Yasuhiko Ishikawa has collaborated with esteemed colleagues such as Yuichi Takeuchi and Takuji Hatano. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Yasuhiko Ishikawa's contributions to light-receiving technology exemplify the impact of innovation in enhancing the efficiency of optical devices. His work continues to influence advancements in the field, showcasing the importance of research and development in technology.