This inventor holds 2 USPTO granted patents and 3 published patent applications. Top assignees: Aisin Corporation, Aisin Seiki Kabushiki Kaisha. Active years: 2021-2024.
Company Filing History:
Years Active: 2021-2024
Title: Naoki Onosaka: Innovator in Motor Control Technology
Introduction
Naoki Onosaka is a prominent inventor based in Kariya, Japan. He has made significant contributions to the field of motor control technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of motor control devices.
Latest Patents
Onosaka's latest patents include a motor control device and a motor control method. The motor control device is designed to execute vector control for driving a three-phase motor based on d-axis and q-axis current commands. It features a current detection unit that monitors the input current to the motor and a control unit that manages the motor's operation. The control unit incorporates a three-phase to two-phase conversion unit, which converts the detected three-phase current into a two-phase current to acquire the q-axis current value. Additionally, it includes a determination unit that identifies when the motor is idling based on a predetermined threshold for the q-axis current value.
Another patent focuses on a motor control device that regulates motor driving in response to torque commands. This device includes an electrical angle estimation unit that estimates the motor's electrical angle using various methods, such as analyzing leakage current and phase current differences. This innovation aims to improve the precision and responsiveness of motor control systems.
Career Highlights
Throughout his career, Onosaka has worked with notable companies, including Aisin Corporation and Aisin Seiki Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his expertise in motor control technologies.
Collaborations
Onosaka has collaborated with talented individuals such as Keirei Lin and Misato Maeda. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Naoki Onosaka is a distinguished inventor whose work in motor control technology has led to significant advancements in the field. His patents reflect a commitment to innovation and efficiency in motor systems.

