Masao Yamaguchi

Title: Masao Yamaguchi: Innovator in Power Source Technology

Introduction

Masao Yamaguchi is a prominent inventor based in Sumoto, Japan, known for his significant contributions to power source technology. With a total of nine patents to his name, Yamaguchi has made strides in developing innovative solutions for battery management and efficiency.

Latest Patents

Yamaguchi's latest patents include a power source apparatus formed by combining a plurality of modules. This apparatus enables each battery pack to be charged with power supplied from an external charging power supply, allowing power stored in each battery pack to be output externally. Each battery pack is equipped with fault output terminals that send error signals to other battery packs or to a protection unit when a malfunction occurs. The protection unit is designed with input-output terminals to connect with these fault output terminals and includes a protection circuit capable of cutting off battery pack current. When a malfunction occurs, the protection unit detects the battery pack error signal and cuts off the current to prevent further issues.

Another notable patent is a power source apparatus that includes first equalizing circuits to control remaining charge capacity variation among multiple battery units. Additionally, second equalizing circuits manage the charge capacity variation among all series-connected battery packs that comprise each battery unit. This innovative design ensures that remaining charge capacity variation is equalized among all battery units and that the charge capacity variation between battery packs in each unit is effectively controlled.

Career Highlights

Yamaguchi is currently employed at Sanyo Electric Co., Ltd., where he continues to develop cutting-edge technologies in the field of power sources. His work has significantly impacted the efficiency and reliability of battery systems, making him a key figure in the industry.

Collaborations

Throughout his career, Yamaguchi has collaborated with notable colleagues, including Mikitaka Tamai and Hiroyoshi Yamamoto. These collaborations have further enhanced his innovative capabilities and contributed to the advancement of power source technologies.

Conclusion

Masao Yamaguchi's contributions to power source technology through his patents and work at Sanyo Electric Co., Ltd. highlight his role as a leading inventor in the field. His innovative designs and collaborative efforts continue to shape the future of battery management and efficiency.