Location History:
- Ibaraki, JA (1977)
- Katsuta, JP (1985 - 1996)
- Hitachi, JP (2001)
- Hitachinaka, JP (2000 - 2012)
Company Filing History:
9 out of 42,485 
1 out of 1,256 Years Active: 1977-2012
Title: Masahiro Tobise: Innovator in Power Conversion and Control Systems
Introduction
Masahiro Tobise is a prominent inventor based in Katsuta, Japan. He has made significant contributions to the fields of power conversion and control systems, holding a total of nine patents. His innovative work has been recognized in various industries, showcasing his expertise and dedication to advancing technology.
Latest Patents
Among his latest patents, Tobise has developed a power converter and motor driving system. The objective of this invention is to provide a power converter capable of detecting open-phase conditions across a broader frequency range while maintaining a predetermined relationship between output voltage and frequency. This system includes an inverter unit with phase unit inverters, an inverter controller, and multiple transformers for voltage detection. Additionally, he has created a control system and method that determines control functions based on the transfer function of the object being controlled. This system adjusts the operation quantity of the controlled object according to the determined control operation function, ensuring optimal performance.
Career Highlights
Throughout his career, Masahiro Tobise has worked with notable companies such as Hitachi, Ltd. and Kawasaki Steel Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Tobise has collaborated with esteemed colleagues, including Kiyoshi Sakamoto and Takashi Ikimi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Masahiro Tobise's contributions to power conversion and control systems exemplify his innovative spirit and technical expertise. His patents and collaborations reflect a commitment to advancing technology in meaningful ways.
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.