Company Filing History:
Years Active: 2014
Title: Yoichiro Yamada: Innovator in Power Conversion Technology
Introduction
Yoichiro Yamada is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of power conversion technology. His innovative approach focuses on noise suppression in power converters, which is crucial for enhancing the efficiency and performance of electrical systems.
Latest Patents
Yamada holds a patent for a "Power converter and method including noise suppression by controlling phase shifting of converter cells." This invention addresses the issue of noise generated from power converters by increasing the noise frequency to a level that exceeds the maximum frequency of the human audible range. The method involves determining the frequency of a driving carrier wave for individual converter cells, ensuring that the phases of the carrier wave are mutually shifted by a specified value. This innovative approach effectively suppresses noise, making power converters more efficient and user-friendly.
Career Highlights
Throughout his career, Yamada has been associated with Hitachi, Ltd., a leading company in technology and innovation. His work has not only advanced the field of power conversion but has also contributed to the overall mission of Hitachi to create a sustainable and efficient energy future.
Collaborations
Yamada has collaborated with notable colleagues such as Shuji Katoh and Shigenori Inoue. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies in power conversion.
Conclusion
Yoichiro Yamada's contributions to power conversion technology exemplify the impact of innovative thinking in engineering. His patent on noise suppression in power converters highlights the importance of addressing practical challenges in electrical systems. Through his work at Hitachi, Yamada continues to influence the future of energy technology.