Hiroshi Masunaga

Title: Hiroshi Masunaga: Innovator in Power Conversion Technologies

Introduction

Hiroshi Masunaga is a prominent inventor based in Chuo-ku, Japan. He has made significant contributions to the field of power conversion technologies, holding a total of 10 patents. His innovative designs have paved the way for advancements in uninterruptible power supplies and power conversion devices.

Latest Patents

One of his latest patents is an uninterruptible power supply that features a switch that operates during power failures. This system includes a converter that transforms AC power into DC power for a DC link portion while the AC supply is normal. During a power failure, it supplies DC power from a battery to the DC link portion. Additionally, it incorporates an inverter that converts DC power back into AC power for load supply, along with a chopper circuit for battery storage during normal AC supply conditions. Another notable patent is a power conversion device that includes a dead time application unit, a current polarity detection unit, and a gate signal selection unit. This device intelligently manages the polarity of output current to optimize performance.

Career Highlights

Hiroshi Masunaga has worked with notable companies such as Toshiba Mitsubishi-Electric Industrial Systems Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in power systems and electronics.

Collaborations

Throughout his career, Masunaga has collaborated with talented individuals, including Kazuki Nishimura and Masahiro Kinoshita. These partnerships have fostered innovation and development in his projects.

Conclusion

Hiroshi Masunaga's contributions to power conversion technologies highlight his role as a leading inventor in the field. His patents reflect a commitment to enhancing the efficiency and reliability of power systems.