This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Astemo Ltd.. Active years: 2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2024
Title: Norio Murayama: Innovator in Power Conversion Technology
Introduction
Norio Murayama is a distinguished inventor based in Hitachinaka, Japan. He has made significant contributions to the field of power conversion technology. His innovative work has led to the development of a patent that addresses critical issues in inverter systems.
Latest Patents
Norio Murayama holds a patent for a "Discharge control circuit and power conversion device." The primary objective of this invention is to provide a power conversion device capable of specifying a failure location of an inverter in detail when an attempt of active discharge fails. The invention includes an arithmetic operation circuit that outputs a discharge instruction to control a discharge operation based on the voltage between both ends of a discharge circuit. Additionally, an output circuit is provided that outputs a drive signal based on the control signal. The arithmetic operation circuit monitors the amount of decreased voltage between both ends of the discharge circuit, utilizing an LV read back signal as an output of the arithmetic operation circuit and an HV read back signal as an output of the output circuit, thereby specifying a failure location.
Career Highlights
Norio Murayama is currently employed at Hitachi Astemo Ltd., where he continues to innovate and develop advanced technologies in power conversion. His work has been instrumental in enhancing the reliability and efficiency of power systems.
Collaborations
Throughout his career, Norio has collaborated with notable colleagues, including Takeshi Yoshida and Takahiro Nishida. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Norio Murayama's contributions to power conversion technology exemplify the spirit of innovation. His patent addresses critical challenges in inverter systems, showcasing his expertise and commitment to advancing technology. His work at Hitachi Astemo Ltd. continues to influence the field positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile