This inventor holds 2 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 2006-2007.
Company Filing History:
Years Active: 2006-2007
Title: Hirofumi Dogome: Innovator in DC-DC Converter Technology
Introduction
Hirofumi Dogome is a notable inventor based in Kasugai, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of DC-DC converters. With a total of 2 patents to his name, Dogome's work focuses on enhancing the efficiency and functionality of power conversion systems.
Latest Patents
One of Dogome's latest patents is a "Circuit and method for controlling DC-DC converter." This invention introduces a control circuit designed to suppress the generation of inrush current during the activation of a DC-DC converter. The control circuit comprises first and second error amplification circuits, which generate control signals based on the difference between a reference voltage and the voltage derived from either the output voltage or output current. Additionally, a soft start circuit generates a soft start signal with a voltage lower than that of each control signal, effectively controlling the output of the DC-DC converter. Another significant patent is a "DC/DC converter enabling an increase in frequency." This invention includes a main transistor, a synchronization transistor, and a control circuit that manages both transistors, along with a capacitor that generates gate voltage for the main transistor.
Career Highlights
Hirofumi Dogome is currently employed at Fujitsu Corporation, where he continues to innovate in the field of power electronics. His work has been instrumental in advancing the technology behind DC-DC converters, making them more efficient and reliable for various applications.
Collaborations
Throughout his career, Dogome has collaborated with esteemed colleagues such as Kyuichi Takimoto and Takashi Matsumoto. These collaborations have further enriched his contributions to the field and have fostered a spirit of innovation within his team.
Conclusion
Hirofumi Dogome's work in the realm of DC-DC converters exemplifies his commitment to innovation and excellence in electrical engineering. His patents reflect a deep understanding of power conversion technology, and his contributions continue to influence the industry.