Itsue Yoshioka

Title: Innovations by Itsue Yoshioka

Introduction

Itsue Yoshioka is a notable inventor based in Shizuoka, Japan. She has made significant contributions to the field of battery technology, particularly in the development of sealing gaskets for alkaline batteries. With a total of two patents to her name, Yoshioka's work demonstrates her commitment to innovation and safety in battery design.

Latest Patents

Yoshioka's latest patents include an alkaline dry battery and a sealing gasket designed for it. The first patent describes an alkaline dry battery that utilizes a polyamide resin sealing gasket. This gasket is strategically placed between the battery case and the anode terminal plate, ensuring an airtight seal without the need for a stiffening member. The sealing gasket consists of two thin wall parts and is made from polyamide resin and polyhexamethylene dodecanamide.

The second patent focuses on an alkaline battery sealing gasket made of resin. This gasket features peripheral packing portions that are pressed between the opening end of a metal battery can, which contains the electricity-generating element. It serves as both a positive and negative electrode terminal while sealing the opening in an airtight manner. Additionally, the gasket includes an isolation wall portion designed to separate the space behind the negative electrode terminal from the space containing the electricity-generating element. A thinner portion is incorporated into the isolation wall to function as a safety valve, breaking open under increased gas pressure.

Career Highlights

Yoshioka is currently employed at FDK Energy Co., Ltd., where she continues to innovate in the field of battery technology. Her work has been instrumental in enhancing the safety and efficiency of alkaline batteries.

Collaborations

Yoshioka collaborates with talented coworkers, including Kiyohide Tsutsui and Yuji Tsuchida. Their combined expertise contributes to the advancement of battery technology and innovation.

Conclusion

Itsue Yoshioka's contributions to battery technology through her patents highlight her role as a leading inventor in her field. Her innovative designs not only improve battery performance but also enhance safety measures, making her a significant figure in the industry.