Yoshimasa Yamamoto

Title: Innovations of Yoshimasa Yamamoto

Introduction

Yoshimasa Yamamoto is a notable inventor based in Sagamihara, Japan. He has made significant contributions to the field of secondary battery technology, holding three patents that showcase his innovative approach to enhancing battery performance and reliability.

Latest Patents

One of his latest patents focuses on a secondary battery designed to prevent short circuits between the positive and negative electrodes. This invention incorporates an insulating member that enhances the battery's electric characteristics and reliability. The battery electrode assembly features alternating positive and negative electrodes, with separators interposed to ensure safety and efficiency. The design includes current collectors and active materials, with a unique application of active materials that optimizes the charging capacity ratio between the electrodes.

Another significant patent by Yamamoto is related to lithium-ion secondary batteries. This invention addresses the issue of collector foil breakage, ensuring a more robust battery structure. The design strategically positions the positive electrode layers to minimize the distance from the connection section to the boundary of the applying and non-applying sections of the positive-electrode active material. This innovation enhances the overall performance and durability of lithium-ion batteries.

Career Highlights

Yoshimasa Yamamoto is currently associated with NEC Energy Devices, Ltd., where he continues to develop cutting-edge battery technologies. His work has been instrumental in advancing the capabilities of secondary batteries, making them more efficient and reliable for various applications.

Collaborations

Yamamoto has collaborated with notable colleagues, including Kouzou Takeda and Masaaki Matsuu. Their combined expertise has contributed to the successful development of innovative battery solutions.

Conclusion

Yoshimasa Yamamoto's contributions to battery technology through his patents reflect his commitment to innovation and excellence. His work continues to influence the field, paving the way for more efficient energy storage solutions.