Location History:
- Kanagawa-ken, JP (2013 - 2016)
- Yokohama Kanagawa, JP (2016)
Company Filing History:
4 out of 52,751 
1 out of 1,514 Years Active: 2013-2025
Title: The Innovations of Tadashi Asukai
Introduction
Tadashi Asukai is a notable inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of electric motor technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of electric motor drive systems.
Latest Patents
Asukai's latest patents include an electric motor drive apparatus, an electric motor drive method, and a storage medium. The electric motor drive apparatus features an electric motor, a power conversion device, a controller, and a current detector. The controller calculates the phase of an armature flux linkage of the electric motor using the current detected by the current detector. This calculation involves determining an initial value of the armature flux linkage based on the motor's rotational position and the flowing current. Another significant patent is the single-phase motor drive circuit, which includes a counter unit, an energization pattern generation unit, and a drive unit. This circuit counts the time of phase switching of a Hall signal and generates a pulse width modulation (PWM) signal to drive a single-phase motor.
Career Highlights
Tadashi Asukai has worked with prominent companies such as Kabushiki Kaisha Toshiba and Toshiba Electronic Devices & Storage Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in electric motor technology.
Collaborations
Asukai has collaborated with talented individuals in his field, including Shen Wang and Takashi Takagi. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Tadashi Asukai's contributions to electric motor technology through his patents and collaborations highlight his innovative spirit and dedication to advancing the field. His work continues to influence the development of efficient motor drive systems.