Company Filing History:
Years Active: 2017-2023
Title: Masahide Ohnishi: Innovator in Wireless Power Transmission
Introduction
Masahide Ohnishi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of wireless power transmission, holding a total of 9 patents. His innovative work focuses on enhancing the efficiency and safety of power transmission systems.
Latest Patents
Ohnishi's latest patents include a power transmission device and an electric power transmission system. This power transmission device wirelessly transmits electric power to a power reception device. It features a power transmission coil that is configured by winding a conductive wire. Additionally, a foreign object detection device is integrated to ensure safety by detecting any foreign objects. Sensor coils are strategically placed to cover the power transmission coil, allowing for effective monitoring. The detector executes determination processing to assess the existence of foreign objects based on a comparison of output voltage from the sensor coils against a predetermined threshold value. Furthermore, the detector can adjust the threshold value based on the induced voltage from the magnetic flux generated by the power transmission coil.
Another notable patent involves a leakage detector designed for devices with a conversion circuit that alternates between DC and AC voltages. This leakage detector includes an average voltage detection circuit that monitors the average voltage corresponding to the potential difference between terminals on the DC side and a grounded metal member. It also features a leakage detection circuit that identifies the presence of leakage based on the average voltage detected.
Career Highlights
Masahide Ohnishi is currently employed at TDK Corporation, where he continues to innovate in the field of power transmission technologies. His work has been instrumental in advancing wireless power systems, making them more efficient and reliable.
Collaborations
Ohnishi has collaborated with notable colleagues such as Takuya Murashige and Ryo Miyazawa. Their combined expertise has contributed to the development of cutting-edge technologies in the industry.
Conclusion
Masahide Ohnishi's contributions to wireless power transmission are noteworthy and impactful. His innovative patents reflect a commitment to enhancing technology for safer and more efficient power systems. His work continues to influence the future of power transmission technology.