This inventor holds 17 USPTO granted patents and 6 published patent applications and 7 EPO patents. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Industrial Products Manufacturing Corporation, Toshiba Infrastructure Systems & Solutions Corporation. Active years: 2004-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Mie-ken, JP (2004 - 2008)
- Mie-gun, JP (2006 - 2013)
- Yokkaichi, JP (2015 - 2016)
- Mie, JP (2010 - 2024)
Company Filing History:
16 out of 53,250 
10 out of 16 
6 out of 283 
Years Active: 2004-2025
Title: Innovations by Masakatsu Matsubara: A Pioneer in Electric Machine Technology
Introduction
Masakatsu Matsubara, an inventor hailing from Mie, Japan, has made significant contributions to the field of electrical engineering. With a remarkable portfolio of 17 patents, Matsubara has dedicated his career to innovating technologies, particularly in the design and functionality of electric machines.
Latest Patents
Among Matsubara's most recent patents are the Embedded Magnet Rotor and the Rotary Electric Machine. The Embedded Magnet Rotor design features a rotor shaft and a rotor core equipped with spaces specifically for housing permanent magnets. These magnets are flat plate-shaped and are strategically arranged to enhance efficiency and performance. Importantly, the structure includes communication openings that prevent fragments from protruding out and causing potential damage to the stator.
His other notable patent, the Permanent Magnet Rotary Electric Machine, includes flux barriers shaped along flux lines to optimize performance further. This innovation involves the precise positioning of first and second permanent magnets within the magnetic poles of the rotor core, ensuring effective flux management and operational reliability.
Career Highlights
Masakatsu Matsubara has worked with esteemed companies such as Toshiba Corporation and Toshiba Industrial Products Manufacturing Corporation. His time with these organizations allowed him to innovate and refine technologies that have potentially wide-reaching applications in various sectors.
Collaborations
Throughout his distinguished career, Matsubara has collaborated with esteemed professionals including Takashi Hanai and Wataru Ito. These partnerships have facilitated the exchange of ideas and expertise, enhancing the depth and impact of his work in the electrical engineering space.
Conclusion
Masakatsu Matsubara's contributions to the field of electric machine technology stand as a testament to his innovative spirit and dedication. His impressive array of patents showcases his ability to transform concepts into practical applications, driving advancements in electrical engineering. As technology continues to evolve, the impact of Matsubara's inventions will undoubtedly resonate in future innovations within the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile