Location History:
- Chiyoda-ku, JP (2014 - 2019)
- Tokyo, JP (2008 - 2024)
Company Filing History:
46 out of 15,844 
2 out of 31 
1 out of 21 Years Active: 2008-2025
Title: **Isao Kezobo: A Pioneer in Rotary Electric Machine Technology**
Introduction
Isao Kezobo, based in Tokyo, Japan, is a prominent inventor with an impressive portfolio comprising 47 patents. His expertise lies in the field of rotary electric machines, where he has significantly contributed to innovations that enhance performance and reliability in electrical systems.
Latest Patents
Kezobo's recent inventions showcase his dedication to advancing technology in the electric machinery sector. One of his notable patents is a **Controller for Rotary Electric Machine**. This innovation aims to suppress the increase in switching frequency through improved voltage estimation, while also minimizing the delay in estimating magnetic pole positions. The controller efficiently manages switching devices within inverters, thereby optimizing performance.
Another notable invention is the **Controller for AC Rotary Machine**. This patent addresses the challenge of detecting current in the case of a short circuit in one of the machine's phases. The invention ensures reliable operation by adjusting voltage command values to maintain effective current detection, which is vital for the machine's proper functioning.
Career Highlights
Throughout his career, Isao Kezobo has been associated with notable companies, including Mitsubishi Electric Corporation. His work at this esteemed organization has been pivotal in the development of advanced electric machine technologies, solidifying his reputation as an expert in the field.
Collaborations
Kezobo has collaborated with skilled professionals in the industry, including Tatsuya Mori and Akira Furukawa. These collaborations have contributed to a rich exchange of ideas and expertise, fostering innovation and leading to successful patent outcomes.
Conclusion
Isao Kezobo’s contributions to the fields of electric machinery and control systems are invaluable. With 47 patents to his name, his work not only enhances existing technologies but also paves the way for future innovations in the industry. As he continues to push the boundaries of technology, Kezobo remains a key figure in the world of electrical engineering.
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.