This inventor holds 2 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Furukawa Automotive Systems Inc., Furukawa Electric., Ltd., Hokkaido University. Active years: 2021-2026.
Company Filing History:
1 out of 254 
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1 out of 442 
Years Active: 2021-2026
Title: Hirokazu Narui: Innovator in Battery Technology
Introduction
Hirokazu Narui is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology, particularly in the estimation of secondary battery degradation. His innovative approach has implications for the longevity and efficiency of battery systems.
Latest Patents
Hirokazu Narui holds a patent for a "Device for estimating degradation of secondary cell, and method for estimating degradation of secondary cell." This device includes a sophisticated mechanism for estimating the deterioration of secondary batteries. It utilizes signals representing discharging voltage and current to calculate the state of health (SOH) of the battery. The device generates history information about the battery's use state and determines its deterioration state based on calculated SOH values.
Career Highlights
Throughout his career, Hirokazu Narui has worked with prominent companies such as Furukawa Electric Co., Ltd. and Furukawa Automotive Systems Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in battery technology.
Collaborations
Hirokazu has collaborated with notable professionals in his field, including Taiji Mitsuyama and Etsuzo Sato. These collaborations have contributed to the advancement of his research and inventions.
Conclusion
Hirokazu Narui's work in battery technology exemplifies the importance of innovation in enhancing the performance and reliability of energy storage systems. His contributions continue to influence the industry and pave the way for future advancements.