Location History:
- Fukuoka, JP (2004 - 2015)
- Kitakyushu, JP (2015 - 2016)
Company Filing History:
Years Active: 2004-2016
Title: Tomohiro Kawachi: Innovator in Motor Control Technologies
Introduction
Tomohiro Kawachi is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of motor control technologies, holding a total of 4 patents. His work focuses on enhancing the efficiency and performance of electric motor systems.
Latest Patents
Kawachi's latest patents include innovative technologies that improve motor control. One of his notable inventions is a motor control apparatus and method. This invention features a winding switching signal generator that obtains information indicating a degree of field weakening. It generates a winding switching signal to switch from a low-speed rotation state to a high-speed rotation state when the degree of field weakening exceeds a predetermined condition.
Another significant patent is for an inverter device and electric motor drive system. This device includes a constant power controller that computes and outputs a d-axis current reference correction value when the voltage reference to an AC motor exceeds a predetermined threshold. The controller generates this value based on a constant power model determined by torque or speed references, ensuring optimal performance during operation.
Career Highlights
Kawachi is currently employed at Yaskawa Electric Corporation, a leading company in the field of automation and robotics. His work at Yaskawa has allowed him to develop cutting-edge technologies that are widely used in various applications.
Collaborations
Throughout his career, Kawachi has collaborated with talented individuals such as Zhenning Chen and Kenji Tomohara. These collaborations have contributed to the advancement of motor control technologies and have fostered innovation within the industry.
Conclusion
Tomohiro Kawachi is a distinguished inventor whose work in motor control technologies has made a significant impact. His innovative patents and contributions to Yaskawa Electric Corporation highlight his dedication to advancing the field.