Company Filing History:
1 out of 42,496 
1 out of 162 Years Active: 1992
Title: The Innovative Contributions of Youuji Ishida
Introduction
Youuji Ishida is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electric power supply systems. His work focuses on enhancing the control and efficiency of these systems through innovative circuit designs.
Latest Patents
Ishida holds a patent for a circuit designed to control an electric power supply apparatus. This patent includes a mathematical model for simulating the dynamic characteristics of the apparatus. It also features a model control function that manages the output in a closed-loop manner. The control circuit outputs a pulse width reference signal, which is corrected by an on-delay portion due to switching elements. This design allows for prompt and stable control of the electric power supply apparatus.
Career Highlights
Throughout his career, Youuji Ishida has worked with prominent companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in electric power systems and control circuits.
Collaborations
Ishida has collaborated with notable colleagues, including Hidefumi Shirahama and Ikuo Yamato. These partnerships have likely enriched his work and led to further advancements in his field.
Conclusion
Youuji Ishida's innovative work in electric power supply control systems showcases his expertise and dedication to advancing technology. His contributions continue to influence the industry and inspire future innovations.