Location History:
- Chiyoda-ku, JP (2013 - 2015)
- Tokyo, JP (1999 - 2024)
Company Filing History:
19 out of 15,844 
8 out of 21,351 
Years Active: 1999-2025
Title: Masafumi Okazaki: Innovating Electric Machine Technology in Tokyo
Introduction
Masafumi Okazaki is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of electric machines. With a remarkable portfolio of 25 patents, Okazaki has developed innovative technologies that enhance the efficiency and functionality of rotating electric machines.
Latest Patents
Among his latest patents, two significant innovations stand out. The first, titled "Rotor of Rotating Electric Machine," introduces a magnetic holder design that utilizes a press-fit pin technology. This design incorporates an arm portion with a holder rib, ensuring a secure placement of the magnets between the rotor core and the magnet holders. The precise contact points of the magnets enhance the rotor's efficiency and reliability.
The second patent, titled "Electric-Rotating-Machine Rotor and Manufacturing Method Therefor," presents a new method for constructing the rotor core using stacked ring-shaped magnetic materials. This innovative approach allows for a tighter fit with the shaft and minimizes gaps between the stacked materials, ultimately reducing production costs and complexity. Both patents exemplify Okazaki's commitment to advancing electric machine technology.
Career Highlights
Masafumi Okazaki has amassed an impressive career, primarily attributed to his tenure at notable companies in the industry. He has worked with Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha, where he honed his expertise and contributed to groundbreaking projects in electric machinery.
Collaborations
Throughout his career, Okazaki has collaborated with prominent colleagues, including Satoru Akutsu and Yuji Takizawa. Their collective efforts have resulted in several advancements in electric machine technology, further solidifying Okazaki’s status as a leading inventor in his field.
Conclusion
Masafumi Okazaki's innovations in the realm of electric machines showcase his ingenuity and dedication to enhancing technology. With a growing number of patents and impactful collaborations, he continues to be a key figure in driving forward the evolution of electrical engineering in Japan and beyond.
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.