Location History:
- Chiyoda-ku, JP (2018 - 2021)
- Tokyo, JP (2005 - 2024)
Company Filing History:
20 out of 15,928 
3 out of 21,351 
Years Active: 2005-2025
Title: Innovations of Kikuo Izumi: Pioneering Power Conversion Technologies
Introduction
Kikuo Izumi, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of electrical engineering with a remarkable portfolio of 21 patents. His work primarily focuses on innovations in power conversion devices and insulating transformers, showcasing his expertise and creativity in developing advanced electrical solutions.
Latest Patents
Among Kikuo Izumi's latest inventions is an innovative insulating transformer, which comprises a plurality of sub-insulating transformers connected in series. This design utilizes identical polarity directions for all sub-windings, enhancing efficiency. When a current flows from the first main terminal to the third main terminal through the first sub-winding, the configuration of interphase capacitance and the excitations of the sub-windings exhibit opposite polarities, contributing to improved performance.
In addition, he has developed a sophisticated power conversion device that incorporates an inverter for generating inverter voltage and a filter to output the desired voltage. This device features a detector for identifying the DC component of the output voltage and a feedback controller that adjusts the inverter voltage command to achieve a target value. The integration of a PWM controller further enhances the functionality by performing pulse width modulation control effectively.
Career Highlights
Kikuo Izumi's career has been marked by his tenure at prestigious companies, including Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. At these organizations, he has been instrumental in driving technological advancements and spearheading innovative projects that align with the evolving landscape of electrical engineering.
Collaborations
Throughout his career, Kikuo has collaborated with notable colleagues such as Tatsuya Okuda and Takahiro Kato. These partnerships have contributed to the rich exchange of ideas and inspired groundbreaking developments in their respective fields.
Conclusion
Kikuo Izumi's dedication to innovation in power conversion technologies and insulating transformers makes him a distinguished figure in the realm of electrical engineering. His impressive collection of patents reflects not only his technical prowess but also his commitment to advancing the industry. As he continues to push the boundaries of innovation, Kikuo Izumi remains a prominent inventor whose work will undoubtedly influence future technologies.