Seiichi Katou

Title: The Innovations of Seiichi Katou

Introduction

Seiichi Katou is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, holding two patents that showcase his innovative spirit and technical expertise. His work has been influential in the development of secondary batteries and their manufacturing processes.

Latest Patents

One of Seiichi Katou's latest patents is for a secondary cell and its manufacturing method. This invention involves a secondary battery that includes an electrode group formed by winding a positive electrode plate and a negative electrode plate with a separator interposed between them. Each of the positive and negative electrode plates includes a current collector and mixture layers, each containing an active material and formed on the surface of the current collector. Notably, a plurality of trenches are formed in the surfaces of the mixture layers of at least one of the positive electrode plate and the negative electrode plate, with curvature portions at the side edges and bottom centers.

Another significant patent is for a cylindrical battery assembling apparatus. This apparatus features a cylindrical guide sleeve with a larger-diameter portion at the upper section, a smaller-diameter portion at the lower section, and a tapered portion in between. The smaller-diameter portion has an inner diameter that is substantially identical to or slightly larger than the outer diameter of a cylindrical battery casing. The design includes a lower spindle that supports the bottom surface of the cylindrical battery casing and an upper spindle that pushes a seal plate downward along the inner surface of the cylindrical guide sleeve.

Career Highlights

Seiichi Katou has worked with prominent companies in the technology sector, including Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in battery technology.

Collaborations

Throughout his career, Seiichi Katou has collaborated with talented individuals such as Hideyuki Kumakiri and Kouichi Nishihara. These partnerships have fostered an environment of innovation and creativity, leading to the development of his notable patents.

Conclusion

Seiichi Katou's contributions to battery technology through his patents reflect his dedication to innovation and excellence. His work continues to influence the industry and inspire future advancements in energy storage solutions.