Yukio Harima

Title: Innovations by Inventor Yukio Harima

Introduction

Yukio Harima is a prominent inventor based in Osaka, Japan, known for his significant contributions in the field of battery technology. With a total of three patents to his name, Harima has focused primarily on developing advanced hermetically sealed batteries, addressing the evolving demands of energy storage solutions.

Latest Patents

Harima's latest patents showcase his expertise in battery design and manufacturing methods. One notable invention is a hermetically sealed battery and the method for its production. This patent details a sealed battery that consists of an electrode group formed by winding or stacking a positive electrode plate and a negative electrode plate, with a separator interposed between them. The battery case is sealed with a sealing plate, ensuring effective containment. Notably, the lead extending from one of the electrode plates is laser-welded to the sealing plate, with optimal specifications for the melting width at the welded junction.

Another significant patent is for a sealed secondary battery and method for its manufacturing. Similar to his first patent, this innovation also focuses on an electrode group formed by stacking or winding a positive and negative electrode with a separator. The process includes a laser welding technique that involves a laser beam's spot diameter smaller than the lead's thickness, which enhances the reliability and efficiency of the sealing mechanism.

Career Highlights

Over the course of his career, Yukio Harima has worked with esteemed companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His experiences at these organizations have allowed him to hone his skills in innovation and technology development.

Collaborations

Harima has collaborated with talented professionals, including Koji Funami and Seiji Kumazawa. Their teamwork has contributed to the advancement of battery technologies, fostering an environment of innovation and research that underpins Harima's achievements.

Conclusion

Yukio Harima stands out as a key inventor in the field of battery technology, particularly with his pioneering work on hermetically sealed batteries. His patents reflect a commitment to enhancing battery performance and safety, positioning him as a noteworthy figure in the landscape of contemporary inventions. Through his innovative approaches and collaborations, Harima continues to influence advancements in energy storage solutions.