Company Filing History:
6 out of 800 
1 out of 6 
1 out of 19,748 
Years Active: 2011-2020
Title: Yoko Tateishi: Innovator in Motor Technology
Introduction
Yoko Tateishi is a prominent inventor based in Kosai, Japan, known for her significant contributions to motor technology. With a total of eight patents to her name, she has made remarkable advancements in the field of motor control and design.
Latest Patents
Among her latest innovations are two notable patents: a motor, motor control method, and motor control device, as well as a half permanent magnet motor. The first patent describes a motor that features a two-layer rotor, a two-layer stator, and a control unit. This motor includes an A-phase rotor with a pair of rotor cores and a field magnet, and a B-phase rotor with a similar configuration. The control unit is designed to manage the input voltages applied to both the A-phase and B-phase windings, ensuring optimal performance through precise electrical angle settings. The second patent, the half permanent magnet motor, incorporates a rotor with multiple magnets and salient poles, designed to enhance efficiency and performance through a specific ratio of magnetic pole portions.
Career Highlights
Throughout her career, Yoko has worked with notable companies such as Asmo Co., Ltd. and Amso Co., Ltd. Her work has significantly impacted the development of advanced motor technologies, showcasing her expertise and innovative spirit.
Collaborations
Yoko has collaborated with esteemed colleagues, including Seiya Yokoyama and Yoshiaki Takemoto. These partnerships have further enriched her work and contributed to the success of her inventions.
Conclusion
Yoko Tateishi stands out as a leading inventor in the realm of motor technology, with her patents reflecting her dedication to innovation and excellence. Her contributions continue to influence the industry and inspire future advancements in motor design.