Company Filing History:
1 out of 21,351 
1 out of 7 Years Active: 2008
Title: Takumi Oonuma: Innovator in AC Rotary Machine Technology
Introduction
Takumi Oonuma is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of apparatuses for measuring constants in AC rotary machines. His innovative approach has led to the creation of a unique patent that enhances the efficiency and accuracy of induction motor measurements.
Latest Patents
Oonuma holds a patent for an "AC rotary machine constant measuring apparatus." This apparatus is designed to measure the constants of stationary AC rotary machines, specifically induction motors. The system utilizes an inverter to convert an inputted voltage command signal into single-phase AC power, which is then fed to the induction motor. A current detector monitors the current of the supplied power, while an apparatus controller generates a voltage command signal that corresponds to the AC voltage applied to the motor. This technology allows for precise calculations of the motor's constants based on the voltage and current measurements.
Career Highlights
Throughout his career, Takumi Oonuma has worked with prominent companies in the electrical engineering sector. He has been associated with Mitsubishi Electric Corporation and Mitsubishi Electric Building Techno-Service Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions for AC rotary machines.
Collaborations
Oonuma has collaborated with several professionals in his field, including Yoshihiko Kinpara and Takahiko Kobayashi. These collaborations have fostered a creative environment that has led to advancements in technology related to AC rotary machines.
Conclusion
Takumi Oonuma's contributions to the field of electrical engineering, particularly through his patent for an AC rotary machine constant measuring apparatus, highlight his innovative spirit and dedication to improving technology. His work continues to influence the industry and inspire future advancements in the field.