Keiichiro Ohkawa

Title: Keiichiro Ohkawa: Innovator in Battery Management Technologies

Introduction

Keiichiro Ohkawa, located in Hitachinaka, Japan, is a prolific inventor with an impressive portfolio of 39 patents to his name. His innovative approaches to battery management and control have significantly contributed to advancements in energy storage technologies.

Latest Patents

Among Keiichiro Ohkawa’s latest inventions is a **Battery Control Apparatus**. This invention ensures that an appropriate upper limit voltage is established, enabling the secondary battery to achieve maximum charging performance while minimizing degradation. The apparatus consists of an assembled battery control unit that determines the upper limit voltage during the charging process and calculates the chargeable power based on this voltage. Additionally, it features an upper limit voltage calculating unit that analyzes the voltage history of the secondary battery using time-series data.

Another notable patent is the **Battery Management Apparatus**, which encompasses a comprehensive battery management method and energy storage system. This apparatus calculates essential parameters, including the state of charge (SOC) and deterioration degree of the battery, facilitating effective management of charge and discharge cycles. It also includes a mid-voltage calculation unit, a remaining capacity calculation unit, and an available energy calculation unit to enhance battery utilization.

Career Highlights

Throughout his career, Keiichiro Ohkawa has worked with several esteemed companies, including Vehicle Energy Japan Inc. and Hitachi Automotive Systems, Ltd. His roles in these organizations have allowed him to focus on developing technologies that enhance battery performance and management.

Collaborations

Keiichiro Ohkawa has collaborated with notable professionals in his field, such as Ryohhei Nakao and Masahiro Yonemoto. These collaborations have further enriched his work and contributed to the advancement of innovative battery technologies.

Conclusion

Keiichiro Ohkawa's contributions to battery management systems illustrate the importance of innovation in the field of energy storage. With his impressive array of patents and collaborative efforts, Ohkawa continues to pave the way for future advancements in battery technology, creating solutions that optimize performance and efficiency.