Location History:
- Nishikamo-gun, JP (2008 - 2012)
- Miyoshi, JP (2015)
Company Filing History:
5 out of 36,499 
1 out of 8,196 
Years Active: 2008-2015
Title: Innovations by Katsunari Matsumoto: A Spotlight on His Contributions
Introduction
Katsunari Matsumoto, a prominent inventor from Nishikamo-gun, Japan, has made significant strides in the field of electrical engineering. With a total of five patents to his name, Matsumoto’s innovations primarily focus on advancements in rotating electric machines and control devices for mobile units.
Latest Patents
Matsumoto's latest patents showcase his expertise and creativity. One notable invention is the **cooling structure of a rotating electric machine**. This innovative structure includes a rotor core made of multiple electromagnetic steel plates, which is encased in a resin molding. A unique feature of this invention is a through hole that runs axially through the rotor core, facilitating an oil passage for efficient cooling. This arrangement allows for optimal cooling while minimizing energy loss, representing a substantial advancement in the design of electric machines.
Another significant patent is the **control device for a mobile unit**. This invention involves a High Voltage Electronic Control Unit (HV-ECU) that detects atmospheric pressure and calculates the maximum boost voltage accordingly. The system is capable of controlling a DC/DC converter by adjusting the gate resistance of a switching element based on atmospheric conditions. This innovative approach enhances the efficiency and reliability of mobile unit control systems.
Career Highlights
Matsumoto has had a distinguished career, having worked with notable companies in the automotive and electrical industries. He has contributed his knowledge and skills at Toyota Motor Corporation and Yazaki Corporation, where he has been involved in groundbreaking projects that have propelled technological advancements.
Collaborations
Throughout his career, Matsumoto has collaborated with several esteemed colleagues, including Takeshi Ishida and Hirosato Ishigaki. These partnerships have fostered a creative environment, allowing for the exchange of ideas and the development of innovative solutions in their respective fields.
Conclusion
Katsunari Matsumoto exemplifies the spirit of innovation in electrical engineering. His latest patents not only reflect his ingenuity but also contribute to the evolution of technology in electric machines and control systems. As he continues to push the boundaries of invention, Matsumoto's work will undoubtedly influence the future of the industry.
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.