Location History:
- Tokyo, JP (2014)
- Hitachinaka, JP (2014 - 2015)
Company Filing History:
3 out of 42,485 
1 out of 7 Years Active: 2014-2015
Title: Masafumi Makino: Innovator in Power Supply Technology
Introduction
Masafumi Makino is a notable inventor based in Hitachinaka, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of advanced power supply technologies. With a total of 3 patents to his name, Makino's work focuses on improving the efficiency and reliability of power conversion systems.
Latest Patents
One of his latest patents is a DC power supply that includes a resonant circuit designed to reduce switching losses. This innovative power supply features a resonant circuit on the secondary side of a transformer, which effectively suppresses surge voltage during the power recovery phase of diodes in a rectifier circuit. It accurately estimates load current from the transformer's secondary current and adjusts the supplied power when the load is light. The system comprises a DC voltage source, a converter, a transformer, a rectifier circuit, and various sensors and controllers to optimize performance.
Another significant patent is for an electric power conversion device. This device incorporates semiconductor element groups mounted on a cooler heat receiving part, allowing for efficient heat dissipation through self-cooling or wind cooling. The arrangement of semiconductor elements and diodes is strategically designed to enhance thermal management and operational efficiency.
Career Highlights
Throughout his career, Masafumi Makino has worked with prominent companies such as Hitachi, Ltd. and Hitachi Mito Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in power supply technology.
Collaborations
Makino has collaborated with various professionals in his field, including Tetsuo Kojima, to further advance his research and development efforts.
Conclusion
Masafumi Makino's contributions to power supply technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of electrical engineering principles and a dedication to improving power conversion systems.
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.