Yohei Nakamura

Title: Yohei Nakamura: Innovator in Battery Management Technology

Introduction

Yohei Nakamura is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of battery management technology. His innovative work focuses on enhancing the efficiency and reliability of battery systems.

Latest Patents

Nakamura holds a patent for a battery state estimation device, battery control device, battery system, and battery state estimation method. This patent describes a battery management device that includes an SOCv calculation unit, which calculates the state of charge using voltage across both ends of a battery. Additionally, an SOCi calculation unit integrates currents flowing in the battery to determine the state of charge. The SOCw calculation unit performs a weighted addition of the states of charge calculated by the SOCv and SOCi units. Furthermore, an SOCi biased time calculation unit assesses various factors, such as elapsed time, temperature, degree of degradation, and polarization voltage, to enhance the accuracy of the battery's state of charge.

Career Highlights

Nakamura is currently employed at Vehicle Energy Japan Inc., where he continues to develop innovative solutions in battery technology. His work has been instrumental in advancing the capabilities of battery management systems.

Collaborations

One of his notable collaborators is Keiichiro Ohkawa, with whom he has worked closely on various projects related to battery technology.

Conclusion

Yohei Nakamura's contributions to battery management technology exemplify his commitment to innovation in the field. His patent and ongoing work at Vehicle Energy Japan Inc. highlight his role as a key figure in advancing battery systems.