Company Filing History:
Years Active: 1981-1982
Title: Tohru Kai: Innovator in Speed Detection and Inverter Technology
Introduction
Tohru Kai is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the fields of speed detection and inverter technology, holding a total of four patents. His work has been instrumental in advancing the efficiency and functionality of various electronic systems.
Latest Patents
One of Tohru Kai's latest patents is a speed detector using a resolver. This innovative device features a fixed frequency oscillator that produces two-phase sine waves to excite the windings of a resolver. It includes multipliers for processing the output signals and a conversion circuit that eliminates the need for countermeasures against harmonics and noise. Another significant patent is for a current type inverter, which boasts excellent transient response. This inverter utilizes a two-phase sine wave generator and a vector calculating circuit to optimize motor performance.
Career Highlights
Tohru Kai is associated with Yaskawa Electric Corporation, a leading company in the field of automation and robotics. His work at Yaskawa has allowed him to develop cutting-edge technologies that enhance the performance of electric motors and drive systems.
Collaborations
Throughout his career, Tohru has collaborated with esteemed colleagues such as Takanobu Iwakane and Kenji Hirose. These partnerships have fostered innovation and contributed to the successful development of various technologies.
Conclusion
Tohru Kai's contributions to speed detection and inverter technology exemplify his commitment to innovation. His patents reflect a deep understanding of electronic systems and their applications in modern technology.