Company Filing History:
12 out of 42,488 
1 out of 48 Years Active: 1997-2012
Title: Innovations by Yasuo Kaminaga: The Pioneer of DC-DC Converters
Introduction
Yasuo Kaminaga, an accomplished inventor based in Hitachi, Japan, has made significant contributions to the field of electrical engineering, particularly in the realm of DC-DC converters. With a total of 12 patents to his name, Kaminaga's innovations have paved the way for advancements in power supply technology, emphasizing efficiency and simplicity.
Latest Patents
Kaminaga's recent inventions include cutting-edge designs such as the "Buck-Boost DC-DC Converter with Auxiliary Inductors for Zero Current Switching." This unidirectional converter features a DC power supply and integrates both buck and boost converter circuits, comprising essential components like main switching elements, snubber capacitors, and control devices. The design focuses on minimizing current switching losses, enhancing overall efficiency.
Another significant patent is his "Unidirectional DC-DC Converter," which boasts a streamlined control circuit that operates without multiple insulated power supplies or transformers. This innovation employs an auxiliary inductor of smaller capacitance, resulting in a compact and lightweight converter that retains high capacitance without the necessity of supply current switching. The converter effectively utilizes a main Insulated Gate Bipolar Transistor (IGBT) and includes an auxiliary IGBT to optimize energy discharge through a back-to-back connected diode, all while achieving Zero Voltage and Zero Current Switching (ZVZCS).
Career Highlights
Throughout his career, Yasuo Kaminaga has been associated with notable companies like Hitachi, Ltd. and Hitachi Appliances, Inc. His work has been instrumental in advancing the technological landscape of power conversion, showcasing his expertise and innovative mindset.
Collaborations
Kaminaga has collaborated with talented individuals such as Yoji Nishio and Tsutomu Yamada. These professional partnerships have contributed to the refinement of his inventions and the successful realization of groundbreaking projects in the field of electrical engineering.
Conclusion
Yasuo Kaminaga stands out as a visionary inventor whose work in DC-DC converters has significantly influenced modern electrical engineering practices. His portfolio of 12 patents demonstrates his dedication to innovation and efficiency, marking him as a key figure in the advancement of power supply technology. As industries continue to evolve and demand smarter solutions, Kaminaga's contributions will undoubtedly remain relevant and impactful.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.