Masaru Doutai

Title: Masaru Doutai: Innovator in Battery Technology

Introduction

Masaru Doutai is a notable inventor based in Kosai, Japan. He has made significant contributions to the field of battery technology, particularly in the design and manufacturing processes of prismatic batteries. With a total of 2 patents to his name, Doutai's work focuses on enhancing the safety and efficiency of battery units.

Latest Patents

Doutai's latest patents include a "Current collector shape adjusting device" and a "Prismatic battery short circuit inspection method and prismatic battery manufacturing method." The current collector shape adjusting device is designed to house a battery unit within a metallic battery case. In this design, current collectors with bent portions are fixed to the electrode plate group of a prismatic battery. The battery case is pressed in a thickness direction to execute a short circuit inspection. This method allows for the detection of short circuit failures caused by the shape of the current collector. The second patent aims to easily detect short circuit failures in current collectors and prevent issues caused by burrs or spatter during manufacturing.

Career Highlights

Doutai is currently employed at Panasonic Ev Energy Co., Ltd., where he continues to innovate in battery technology. His work has been instrumental in improving the reliability and safety of battery systems used in various applications.

Collaborations

Throughout his career, Doutai has collaborated with notable colleagues, including Masato Onishi and Shinichi Sakai. These collaborations have contributed to the advancement of battery technology and the successful development of innovative solutions.

Conclusion

Masaru Doutai's contributions to battery technology through his patents and work at Panasonic Ev Energy Co., Ltd. highlight his role as a key innovator in the field. His efforts in enhancing battery safety and efficiency continue to impact the industry positively.