Company Filing History:
Years Active: 2015-2024
Title: Innovations of Hiroshi Kamizuma
Introduction
Hiroshi Kamizuma is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power conversion systems, holding a total of 13 patents. His work focuses on enhancing the reliability and efficiency of power conversion technologies.
Latest Patents
One of Kamizuma's latest patents is a power conversion system designed to suppress faults in short-circuiting switches that bypass fault units. This innovation enhances the reliability and redundancy of the system. The power conversion system includes multiple power converter units formed using semiconductor switch elements connected in series. It features switch elements at the input and output terminals that bypass the power converter units, along with overvoltage suppressing elements that change conducting states based on applied voltage.
Another notable patent is related to a power conversion unit and method of manufacturing a power converter. This invention aims to improve accessibility concerning the power conversion unit within a power converter. The design includes a circuit connection part with positive and negative electrode conductors, an AC conductor, and a power semiconductor module positioned strategically. The connections between the positive and negative electrode conductors of different power conversion units are also optimized for better functionality.
Career Highlights
Hiroshi Kamizuma is currently employed at Hitachi, Ltd., where he continues to innovate in the field of power conversion. His work has been instrumental in advancing technologies that are crucial for modern
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