Location History:
- Hitachi, JA (1978)
- Katsuta, JP (1991 - 1992)
Company Filing History:
3 out of 42,508 
1 out of 6 
1 out of 2 Years Active: 1978-1992
Title: Kazuaki Takada: Innovator in Motor Technology
Introduction
Kazuaki Takada is a notable inventor based in Katsuta, Japan. He has made significant contributions to the field of motor technology, holding a total of 3 patents. His work primarily focuses on enhancing the efficiency and functionality of motors used in various applications.
Latest Patents
One of Takada's latest patents is a deceleration apparatus for motors and a drive circuit for use in motors. This innovative deceleration apparatus is designed for an AC servo motor utilized in industrial sewing machines. It performs a regenerating braking operation during the motor's deceleration period. Initially, an intermittent regenerating braking operation is executed by supplying current in the control circuit of the motor drive circuit. Following this, a continuous regenerating braking operation is carried out in the motor.
Another significant patent is for a permanent magnet reversible synchronous motor. This motor features a rotor that faces a stator with multiple slots. The rotor comprises a core fixed to a motor shaft and an even number of permanent magnets arranged circumferentially. Each permanent magnet has a projecting portion formed in the rotor core. The design includes a position detector that identifies the permanent magnet's position, with detectors arranged to have predetermined phase differences.
Career Highlights
Throughout his career, Kazuaki Takada has worked with prominent companies such as Hitachi, Ltd. and Hitachi Taga Engineering, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in motor technology.
Collaborations
Takada has collaborated with notable individuals in the industry, including Eiji Toyoda and Jun Matsubayashi. These collaborations have contributed to the advancement of his inventions and the overall progress in motor technology.
Conclusion
Kazuaki Takada's contributions to motor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in engineering.