Hiroaki Kuroha is a prominent inventor based in Katsuta, Japan. He has made significant contributions to the field of power conversion technology, holding a total of 6 patents. His work focuses on improving the efficiency and reliability of AC-to-DC power converters.

Latest Patents

Kuroha's latest patents include an innovative AC-to-DC power converter with improved power factor and overvoltage suppression. This invention utilizes GTO elements connected to the positive arms of a three-phase full-wave bridge circuit. It effectively manages the power supply to a load from an AC power source while controlling the GTO elements. The design allows for a seamless transition between power supply and flow-back modes, minimizing overvoltage during switching. Another notable patent is a power converter apparatus that facilitates power conversion between AC and DC systems. This device features a full-wave bridge circuit with GTOs on the positive polarity side, enabling current chopping operations through precise control.

Career Highlights

Kuroha has dedicated his career to advancing power conversion technologies. His innovative designs have significantly impacted the efficiency of electrical systems. He is associated with Hitachi, Ltd., a leading company in technology and engineering.

Collaborations

Kuroha has collaborated with notable colleagues, including Toshiaki Kurosawa and Hiromi Inaba. Their combined expertise has contributed to the development of cutting-edge technologies in the field.

Conclusion

Hiroaki Kuroha's contributions to power conversion technology exemplify his commitment to innovation. His patents reflect a deep understanding of electrical systems and a drive to enhance their performance. His work continues to influence the industry and pave the way for future advancements.

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