Location History:
- Narashino, JP (2005 - 2015)
- Tokyo, JP (2020 - 2024)
Company Filing History:
6 out of 493 
3 out of 42,485 
1 out of 8 
Years Active: 2005-2024
Title: Tomofumi Okubo: Innovator in Compressor and Electric Motor Technologies
Introduction
Tomofumi Okubo is a notable inventor based in Narashino, Japan. He has made significant contributions to the fields of compressor technology and electric motor systems. With a total of 7 patents to his name, Okubo's work has had a considerable impact on the efficiency and functionality of various mechanical systems.
Latest Patents
Okubo's latest patents include a compressor, a monitoring system, and a method of monitoring a compressor. This innovative compressor allows for the monitoring of the remaining lifetime of a semiconductor element in a motor control system while reducing processing load. The design features a motor control system that regulates the motor's rotation speed, a compressor body that compresses air, and a pressure sensor located on the discharge side of the compressor. Additionally, a running controller switches between load and no-load running based on pressure readings. Another significant invention is an electric motor system that detects loss of synchronism in an inverter-driven synchronous motor without a magnetic pole position sensor. This system includes a synchronous motor, an inverter, and a load, and it determines loss of synchronism based on the direct-current voltage in the power conversion device.
Career Highlights
Throughout his career, Okubo has worked with prominent companies such as Hitachi Industrial Equipment Systems Co., Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of electrical engineering.
Collaborations
Okubo has collaborated with notable colleagues, including Tsunehiro Endo and Yoshitaka Iwaji. Their combined expertise has contributed to the advancement of technologies in their respective fields.
Conclusion
Tomofumi Okubo's contributions to compressor and electric motor technologies demonstrate his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving the efficiency and reliability of mechanical systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.