Location History:
- Ota-ku, JP (2019)
- Ueda, JP (2021)
- Tokyo, JP (2021)
Company Filing History:
Years Active: 2019-2021
Title: Innovations by Kei Yamazaki
Introduction
Kei Yamazaki is a notable inventor based in Ota-ku, Japan. He has made significant contributions to the field of motor control technology, holding a total of six patents. His work focuses on enhancing the performance and efficiency of stepping motors, which are widely used in various applications.
Latest Patents
Yamazaki's latest patents include a control device for a stepping motor and a control method for a stepping motor. The control device is designed to provide hold control that allows for a smooth reduction of excitation current when the motor is stopped. This innovation ensures that the rotor can be moved to a predetermined stop position by adjusting the excitation current to approach a target value that gradually decreases during the hold time. Additionally, he has developed a motor drive control device that alternates between one-phase and two-phase excitation to optimize the performance of two-phase stepping motors.
Career Highlights
Kei Yamazaki is currently employed at Minebea Mitsumi Inc., where he continues to innovate in the field of motor control. His work has been instrumental in advancing the technology used in stepping motors, contributing to improved efficiency and functionality in various applications.
Collaborations
Some of his notable coworkers include Shigeki Miyaji and Kazuo Takada, who have collaborated with him on various projects within the company.
Conclusion
Kei Yamazaki's contributions to motor control technology through his patents and work at Minebea Mitsumi Inc. highlight his role as a significant inventor in the field. His innovations continue to impact the efficiency and performance of stepping motors in various applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.