This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Mitsubishi Electric Corporation. Active years: 2023-2026.
Company Filing History:
Years Active: 2023-2026
Title: Yoshiaki Ishiguro: Innovator in Power Conversion Technology
Introduction
Yoshiaki Ishiguro is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power conversion technology, holding a total of 5 patents. His work focuses on enhancing the efficiency and reliability of semiconductor devices.
Latest Patents
Ishiguro's latest patents include a gate drive circuit and a power conversion device. The gate drive circuit patent describes a unit that applies a gate drive voltage to control a semiconductor switching element. This innovation includes a voltage feedback unit that connects to the high-potential main terminal of the semiconductor switching element, allowing for effective voltage management when the element is turned off. Additionally, a discharge unit is incorporated to manage electric charge during operation. The power conversion device patent outlines a system where a setting unit establishes a duty ratio of a PWM signal based on a target voltage value. This device also features an estimated value calculation unit that continuously calculates an estimated duty ratio based on input and output voltage values, along with an abnormality detection unit to ensure operational integrity.
Career Highlights
Yoshiaki Ishiguro is currently employed at Mitsubishi Electric Corporation, where he continues to innovate in the field of power electronics. His work has been instrumental in advancing technologies that are crucial for modern electronic devices.
Collaborations
Ishiguro collaborates with talented colleagues such as Ryota Kondo and Yoshihiro Takeshima. Their combined expertise contributes to the development of cutting-edge technologies in the industry.
Conclusion
Yoshiaki Ishiguro's contributions to power conversion technology exemplify the impact of innovative thinking in the field of electronics. His patents reflect a commitment to improving the efficiency and functionality of semiconductor devices.