Tetsushige Yoshida

Title: Tetsushige Yoshida and Lithium Secondary Cell Innovation.

Introduction

Tetsushige Yoshida is an inventor associated with Nagoya-City, Japan, and NGK Insulators, Inc. His recorded patent concerns the design of a lithium secondary cell, with a focus on the structure connecting its positive active material plate to the current collector.

Latest Patents

Yoshida is credited with 1 patent: “Lithium secondary cell.” The invention describes a positive electrode with a conductive, sheet-like current collector and a plate-like ceramic sintered body containing a lithium composite oxide. A conductive bonding layer joins the active material plate to the collector and penetrates the plate from the surface facing the collector. The specified penetration depth is 3% to 80% of the plate’s thickness, measured in the direction of superposition.

Career Highlights

Yoshida’s listed patent work is associated with NGK Insulators, Inc. The patent highlights his contribution to lithium secondary cell electrode design, particularly the bonding interface between the positive active material and its current collector.

Collaborations

The available information identifies NGK Insulators, Inc. as Yoshida’s company affiliation. It does not specify additional collaborators or research partners for the patent.

Conclusion

Tetsushige Yoshida’s recorded invention addresses a key structural feature of lithium secondary cells by defining how a conductive bonding layer connects and penetrates the positive active material plate.