Kazuhiko Yagi

Title: Kazuhiko Yagi: Innovator in Battery Technology

Introduction

Kazuhiko Yagi is a prominent inventor based in Wako, Japan, known for his significant contributions to battery technology. With a total of 6 patents to his name, Yagi has developed innovative solutions that enhance the efficiency and performance of battery systems.

Latest Patents

One of Yagi's latest patents is a battery cooling structure designed to improve the thermal management of battery modules. This structure features a rectangular tube-shaped battery case with a cooling air inlet and outlet. V-shaped cooling air guide channels are integrated into the inner faces of air guide plates, which help direct the flow of cooling air toward the central part of the battery modules. This design effectively cools the modules that typically experience poor cooling, resulting in a more uniform temperature distribution, reduced capacity variation, and extended battery life. Additionally, the simplified structure of the battery case eliminates the need for a bypass passage, allowing for a more compact design and greater layout flexibility.

Another notable patent is a battery charging control method that employs pulsed charging and discharging operations to heat low-temperature batteries. This method reduces charging time without the need for an additional heating system. It involves executing a first pulsed charging and discharging operation when the battery temperature is below a predetermined threshold, followed by a transition to a second operation when the temperature rises. This innovative approach not only facilitates heating but also enables efficient charging, ultimately leading to a normal charging operation when the battery reaches a higher temperature.

Career Highlights

Kazuhiko Yagi has worked with notable companies in the automotive industry, including Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His experience in these organizations has allowed him to develop and refine his expertise in battery technology.

Collaborations

Yagi has collaborated with talented individuals such as Takashi Ishikura and Takeshi Sakurai, contributing to the advancement of battery innovations through teamwork and shared knowledge.

Conclusion

Kazuhiko Yagi's work in battery technology showcases his commitment to innovation and improvement in energy storage solutions. His patents reflect a deep understanding of the challenges in battery performance and offer practical solutions that benefit the industry.