Company Filing History:
Years Active: 2016-2025
Title: Kenji Hanamura: Innovator in Power Conversion Technology
Introduction
Kenji Hanamura is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of power conversion technology, holding a total of 12 patents. His work focuses on enhancing the efficiency and functionality of dual active bridge (DAB) converters.
Latest Patents
Among his latest innovations, Hanamura has developed a power conversion device designed for power transfer from a first DC part to a second DC part in a DAB converter by stepping down a voltage. This device features a first bridge circuit that includes a period where the first DC part and a primary winding of an insulated transformer conduct, as well as a period where the ends of the primary winding are short-circuited. Additionally, a second bridge circuit incorporates a rectification period. The control circuit in this device variably manages the phase difference between the first and second legs, along with the simultaneous off periods of various switching elements.
Another notable patent involves a power conversion device that steps up voltage for power transfer in a DAB converter. This device includes a second bridge circuit that allows for a period where a secondary winding of an insulated transformer and the second DC part conduct, along with a short-circuiting period for the secondary winding. The control circuit in this device fixes the phase difference between the first and second legs while also variably controlling the simultaneous off periods of specific switching elements.
Career Highlights
Kenji Hanamura is currently employed at Panasonic Intellectual Property Management Co., Ltd. His work at this esteemed company has allowed him to push the boundaries of power conversion technology. His innovative designs and patents have contributed to advancements in the efficiency of electrical systems.
Collaborations
Throughout his career, Hanamura has collaborated with notable colleagues, including Hajime Hida and Shun Kazama. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Kenji Hanamura's contributions to power conversion technology are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing electrical engineering. His work continues to influence the industry and pave the way for future innovations.
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