Company Filing History:
Years Active: 2024-2025
Title: Innovations by Yoshinori Sagiya
Introduction
Yoshinori Sagiya is a notable inventor based in Shimotsuke, Japan. He has made significant contributions to the field of control devices and power conversion technology. With a total of 2 patents, Sagiya's work focuses on enhancing the efficiency and reliability of electronic systems.
Latest Patents
Sagiya's latest patents include a control device that eliminates the need for arithmetic processing of phase currents. This innovative control device features multiple switching legs, which include a pair of semiconductor switching elements that form both upper and lower arms. It is equipped with a switch short circuit detection unit that identifies short circuit failures in the semiconductor switching elements. The control unit then determines whether the failure occurred in the upper or lower arm and sets all semiconductor switching elements in the affected arm accordingly.
Another significant patent is a gate driving power source device that can be miniaturized by sharing power source units. This design prevents large currents from flowing locally in a single chip, even during short-circuit failures in multi-phase conversion circuits. The shared power source unit supplies a common DC power source to gate drive circuits in various arms of the multi-phase conversion circuits.
Career Highlights
Yoshinori Sagiya is currently employed at Hitachi Astemo Ltd., where he continues to innovate in the field of electronic control systems. His work has been instrumental in advancing technologies that improve the performance and safety of power conversion devices.
Collaborations
Sagiya collaborates with talented coworkers, including Yuta Nakamura and Masatoshi Goto. Their combined expertise contributes to the development of cutting-edge technologies in their field.
Conclusion
Yoshinori Sagiya's contributions to the field of control devices and power conversion technology highlight his innovative spirit and dedication to advancing electronic systems. His patents reflect a commitment to improving efficiency and reliability in modern technology.