Location History:
- Yamato, JP (2006 - 2018)
- Kanagawa, JP (2013 - 2019)
- Kawasaki, JP (2019 - 2020)
Company Filing History:
6 out of 14 
3 out of 28 
3 out of 11 Years Active: 2006-2020
Title: Junichi Tada: Innovator in Motor Control Technology
Introduction
Junichi Tada is a prominent inventor based in Yamato, Japan, known for his significant contributions to motor control technology. With a total of 12 patents to his name, Tada has made remarkable advancements in the field of brushless DC servo motors and electric parking brake devices.
Latest Patents
One of Tada's latest patents is a control device for brushless DC servo motors. This innovative device utilizes a MR sensor unit to achieve high precision control of the motor through a closed loop system. The control unit manages power supplied to three pairs of stator coils corresponding to U, V, and W phases. It generates phase information for each phase and determines the absolute origin position of the rotary shaft based on the synchronization of various signals during motor operation. Another notable patent is the electric parking brake device, which features a resolver with a base positioned in a housing facing a rotating plate attached to the electric motor's rotation axis. This device includes a detecting coil and a primary coil of an output transformer, enhancing the functionality and reliability of electric parking brakes.
Career Highlights
Throughout his career, Junichi Tada has worked with several companies, including New Shicoh Technology Co., Ltd. and Shicoh Engineering Co., Ltd. His work in these organizations has contributed to the development of advanced technologies in motor control systems.
Collaborations
Tada has collaborated with notable individuals in the industry, including Manabu Shiraki and Hiroshi Sato. These partnerships have fostered innovation and have been instrumental in the successful development of his patented technologies.
Conclusion
Junichi Tada's contributions to motor control technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in motor control systems and electric parking brake devices.