Company Filing History:
4 out of 644 
4 out of 29 Years Active: 2009-2013
Title: Shigeyuki Funabiki: Innovator in DC-DC Converter Technology
Introduction
Shigeyuki Funabiki is a notable inventor based in Matsue, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of DC-DC converters. With a total of four patents to his name, Funabiki's work focuses on enhancing the efficiency and reliability of power conversion systems.
Latest Patents
One of his latest patents is a DC-DC converter with a snubber circuit. This invention aims to reduce surge voltage and suppress noise generation. The design includes a series circuit connected to both ends of a smoothing capacitor, incorporating a snubber capacitor and a snubber resistor. Additionally, it features a snubber diode connected to critical nodes within the circuit to improve performance. Another significant patent is a DC-DC converter that includes a first series circuit formed of a winding of a transformer, a reactor, a diode, and a smoothing capacitor. This innovative design alternates the operation of two switches to optimize power conversion.
Career Highlights
Throughout his career, Shigeyuki Funabiki has worked with prominent organizations such as Sanken Electric Co., Ltd. and Shimane University. His experience in these institutions has allowed him to refine his expertise in electrical engineering and contribute to various innovative projects.
Collaborations
Funabiki has collaborated with notable colleagues, including Hideki Asuke and Hideharu Takano. These partnerships have fostered a creative environment that has led to advancements in their respective fields.
Conclusion
Shigeyuki Funabiki's contributions to DC-DC converter technology highlight his innovative spirit and dedication to improving electrical systems. His patents reflect a commitment to enhancing efficiency and reliability in power conversion, making him a significant figure in the field.