Location History:
- Tokai, JP (2010 - 2013)
- Naka, JP (2014 - 2016)
- Tokyo, JP (2015 - 2022)
- Hitachinaka, JP (2020 - 2024)
Company Filing History:
11 out of 2,028 
4 out of 42,496 
3 out of 1,210 
Years Active: 2010-2024
Title: The Innovative Mind of Ayumu Hatanaka: Powering the Future from Tokyo
Introduction: Ayumu Hatanaka, an inventor based in Tokyo, Japan, has made significant contributions to the field of power conversion devices. With a total of 19 patents to his name, he has demonstrated a commitment to innovation and engineering excellence. His inventions focus on improving power systems, enhancing efficiency, and ensuring reliability in high-voltage applications.
Latest Patents: One of Hatanaka's latest patents includes a power conversion device and the manufacturing method associated with it. This innovative design features a negative-side bus bar that includes a capacitor connection portion alongside first and second negative terminal portions. These components are exposed from a resin portion and connect to the DC negative-side terminals of first and second power semiconductor modules. The design incorporates a partition portion with a protruding element that enhances thermal coupling to the mold bus bar, effectively managing temperature rises in capacitors.
Another noteworthy patent involves a high voltage filter and power conversion device. This device integrates an anode bus bar, a cathode bus bar, and multiple capacitive elements that connect strategically between the anode bus bar, cathode bus bar, and ground connector. The configuration is designed to maximize efficiency by placing the terminals of various capacitive elements in proximity, which optimizes performance and reduces potential electrical interference.
Career Highlights: Throughout his career, Ayumu Hatanaka has gained valuable experience working with notable companies such as Hitachi Automotive Systems and Hitachi, Ltd. These positions have allowed him to refine his skills and contribute to groundbreaking projects in the power electronics sector.
Collaborations: In his journey of innovation, Hatanaka has collaborated with talented individuals including Takuya Mayuzumi and Ryo Kusakabe. These partnerships have enriched his work and led to the development of advanced technologies in power conversion systems.
Conclusion: Ayumu Hatanaka stands out as a prominent inventor in Tokyo's technology landscape. With a keen eye for detail and a passion for enhancing power conversion, his patents reflect a deep understanding of both the challenges and opportunities within the electrical engineering field. As he continues to innovate, Hatanaka's contributions will likely influence the future of power systems and drive advancements in related technologies.