Yasushi Nishimura

Title: Innovations by Yasushi Nishimura

Introduction

Yasushi Nishimura is a notable inventor based in Shinnanyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of stainless steel sheets for solar cell applications. His innovative approach has led to advancements in energy conversion efficiency for non-single crystalline semiconductor solar cells.

Latest Patents

Yasushi Nishimura holds 1 patent for his invention titled "Stainless steel sheet and a substrate for a solar cell and manufacturing." This patent describes a stainless steel sheet that features minute ripples with undulations along a rolling direction. The surface roughness of the sheet is meticulously controlled, enhancing its utility as a substrate for solar cells. The manufacturing process involves finish cold rolling a stainless steel strip with a reduction ratio of at least 20% at a rolling speed of at least 400 m/min. The rolled strip undergoes annealing in an open-air atmosphere followed by electrolytic pickling in a nitric acid solution. This innovative design increases energy conversion efficiency by promoting scattering and multiple reflections of incident light rays.

Career Highlights

Throughout his career, Yasushi Nishimura has worked with prominent companies such as Nisshin Steel Co., Ltd. and Canon Inc. His experience in these organizations has allowed him to refine his expertise in materials engineering and innovation.

Collaborations

Yasushi has collaborated with notable colleagues, including Masafumi Sano and Takuji Okiyama. Their combined efforts have contributed to advancements in the field of solar energy and materials science.

Conclusion

Yasushi Nishimura's contributions to the development of stainless steel sheets for solar cells exemplify the impact of innovative thinking in materials science. His work continues to influence advancements in energy efficiency and sustainability.