Shimpei Yamagami

Title: Innovations by Shimpei Yamagami

Introduction

Shimpei Yamagami is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and performance of batteries, particularly in the context of cylindrical designs and charging systems.

Latest Patents

One of Yamagami's latest patents is for a cylindrical battery. This innovation features an electrode body formed by spirally winding a positive electrode and a negative electrode with a separator in between. The design includes a bottomed cylindrical exterior can that houses the electrode body. The negative electrode consists of a core body and a mixture layer, with specific characteristics aimed at improving performance. Another significant patent is for a secondary battery charging system. This system minimizes the reduction in capacity retention and charge-discharge efficiency. It includes a charger, a unit for calculating charge capacity, and a control unit that manages the charging process in two steps, ensuring optimal performance.

Career Highlights

Yamagami has worked with prominent companies such as Panasonic Energy Co., Ltd. and Panasonic Holdings Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in battery technology.

Collaborations

Throughout his career, Yamagami has collaborated with talented individuals, including Shunsuke Nambuya and Yuto Horiuchi. These partnerships have contributed to the advancement of his projects and innovations.

Conclusion

Shimpei Yamagami's contributions to battery technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in energy storage solutions.