This inventor holds 3 USPTO granted patents and 4 published patent applications. Top assignee: Minebea Mitsumi Inc.. Active years: 2019-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Shizuoka, JP (2019)
- Fukuroi, JP (2023)
Company Filing History:
Years Active: 2019-2023
Title: Innovations of Shinji Totsuka
Introduction
Shinji Totsuka is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of motor drive control technology. With a total of 3 patents to his name, Totsuka's work has advanced the efficiency and functionality of motor systems.
Latest Patents
Totsuka's latest patents include a motor drive control device and a motor drive control method. The motor drive control device features a control circuit that outputs a drive control signal for driving a motor. This device calculates a lead angle value, allowing the d-axis current value to be zero while utilizing the q-axis current value derived from the drive current values and the rotation speed of the motor's rotor. The control circuit performs a space vector conversion to generate the drive control signal, aiming to minimize the difference between the q-axis current value and the q-axis current command value.
Another patent focuses on a motor drive control device that includes a drive circuit designed to drive a motor using a drive control signal. The control circuit performs vector control arithmetic based on the detection results of the drive currents of the motor's coils. It estimates the rotation angle and speed of the rotor using a linear Kalman filter, which enhances the accuracy of the drive control signal generation.
Career Highlights
Shinji Totsuka is currently employed at Minebea Mitsumi Inc., where he continues to innovate in motor drive technologies. His work has been instrumental in developing advanced control systems that improve motor performance and reliability.
Collaborations
Totsuka collaborates with talented colleagues, including Hiroki Kokubo and Shigemi Masuda. Their combined expertise contributes to the success of their projects and the advancement of motor control technologies.
Conclusion
Shinji Totsuka's contributions to motor drive control technology exemplify the impact of innovative thinking in engineering. His patents reflect a commitment to enhancing motor efficiency and performance, making him a significant figure in his field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile