Yasushi Maeda

Title: Yasushi Maeda: Innovator in Photoelectric Conversion Technology

Introduction

Yasushi Maeda is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of photoelectric conversion technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and effectiveness of photoelectric devices.

Latest Patents

One of Yasushi Maeda's latest patents is a photoelectric conversion device designed to minimize resistance loss while maximizing conversion efficiency. This device features a first silicon semiconductor layer and a second silicon semiconductor layer positioned between a pair of electrodes. The first layer is placed over one surface of a crystalline silicon substrate and has a conductivity type opposite to that of the substrate. The second layer is located on the opposite surface and shares the same conductivity type as the substrate. Notably, both layers exhibit a carrier concentration that varies with film thickness.

Another significant patent is for a photoelectric conversion module and its manufacturing method. This module aims to suppress output voltage defects by integrating multiple photoelectric conversion devices in parallel. Each device consists of several cells connected in series, and the design allows for the exclusion of devices with characteristic defects, such as short circuits or leakage currents.

Career Highlights

Yasushi Maeda has worked with notable companies in the technology sector, including Semiconductor Energy Laboratory Co., Ltd. and Sony Corporation. His experience in these organizations has contributed to his expertise in semiconductor technology and photoelectric devices.

Collaborations

Throughout his career, Yasushi Maeda has collaborated with esteemed colleagues such as Kazuhiko Fujiie and Kazuo Nishi. These partnerships have fostered innovation and advancement in the field of photoelectric conversion.

Conclusion

Yasushi Maeda's contributions to photoelectric conversion technology highlight his role as a leading inventor in this domain. His innovative patents and collaborations with industry professionals underscore his commitment to advancing technology for improved efficiency and performance.