Fumikazu Maruyama

Fumikazu Maruyama is a notable inventor based in Wako, Japan. He has made significant contributions to the fields of battery technology and vehicle control systems. With a total of 2 patents, Maruyama's work focuses on enhancing the efficiency and reliability of automotive systems.

Latest Patents

Maruyama's latest patents include an abnormality detection device and method for battery packs. This device features a voltage value acquisition unit that collects voltage values from each battery cell. It also includes a state value measurement unit that assesses conditions within the battery pack, distinct from the temperature of the cells. The abnormality determination unit compares voltage values against a predetermined threshold and evaluates state values to identify any abnormalities in the battery pack.

Another significant patent is a control device for a lockup clutch. This device allows for the engagement of the lockup clutch even when the vehicle's cooling water or hydraulic oil temperatures are below a predetermined level. By permitting engagement under these conditions, the device improves fuel economy by increasing the frequency of clutch engagement without compromising its functionality.

Career Highlights

Fumikazu Maruyama is currently employed at Honda Motor Co., Ltd., where he applies his expertise in automotive technologies. His innovative work has contributed to advancements in vehicle performance and energy efficiency.

Collaborations

Maruyama collaborates with talented colleagues, including Jun Tsutsui and Hiroki Itaya. Together, they work on developing cutting-edge technologies that enhance vehicle systems.

Conclusion

Fumikazu Maruyama's contributions to battery and clutch control technologies demonstrate his commitment to innovation in the automotive industry. His patents reflect a deep understanding of engineering principles and a dedication to improving vehicle performance.