Kunimoto Ninomiya

Title: Kunimoto Ninomiya: Innovator in Photovoltaic Technology

Introduction

Kunimoto Ninomiya is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of photovoltaic technology, holding a total of 6 patents. His work focuses on enhancing the efficiency and manufacturing processes of solar energy devices.

Latest Patents

One of Ninomiya's latest patents is for a stacked photovoltaic device and method of manufacturing the same. This invention involves a back metal electrode, a bottom cell using microcrystalline silicon for a photoelectric conversion layer, a front cell using amorphous silicon for a photoelectric conversion layer, and a transparent front electrode, all formed in a specific order on a supporting substrate. The patent details how the concentration of impurities in the front and bottom photoelectric conversion layers is controlled, ensuring that the bottom layer has a higher concentration of impurities than the front layer. Notably, these impurities do not include p-type or n-type dopants but can consist of carbon, nitrogen, and oxygen.

Career Highlights

Ninomiya has been associated with Sanyo Electric Co., Ltd., where he has played a crucial role in advancing solar technology. His innovative approaches have contributed to the development of more efficient solar cells, which are essential for the growing renewable energy market.

Collaborations

Throughout his career, Ninomiya has collaborated with notable colleagues such as Masaki Shima and Yasuhiro Yagi. These partnerships have fostered a creative environment that has led to groundbreaking advancements in photovoltaic technology.

Conclusion

Kunimoto Ninomiya's work in the field of photovoltaic technology exemplifies the spirit of innovation. His patents and collaborations continue to influence the development of efficient solar energy solutions.