Company Filing History:
1 out of 42,508 
1 out of 177 Years Active: 1976
Title: The Innovations of Yoshihumi Oura
Introduction
Yoshihumi Oura is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of protective relaying systems for electric power systems. His innovative approach utilizes digital computing to enhance the safety and reliability of electrical systems.
Latest Patents
Yoshihumi Oura holds a patent for a protective relaying system. This system ensures the protection of an electric power system through the control of a digital computer. The voltage and current of the system are sampled at a predetermined frequency and converted into digital signals. The computer then computes the product of these signals, filtering out unnecessary frequency components to accurately detect faults in the electric power system. When a fault is detected, necessary protective measures are implemented to safeguard the system.
Career Highlights
Throughout his career, Yoshihumi Oura has worked with prominent companies such as Hitachi, Ltd. and The Tokyo Electric Power Company, Incorporated. His experience in these organizations has allowed him to apply his innovative ideas and contribute to advancements in electrical engineering.
Collaborations
Yoshihumi Oura has collaborated with notable colleagues, including Masami Okamura and Yoshihiro Sano. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.
Conclusion
Yoshihumi Oura's contributions to the field of electrical engineering, particularly through his protective relaying system, highlight his innovative spirit and dedication to enhancing the safety of electric power systems. His work continues to influence the industry and inspire future innovations.