Location History:
- Yokohama, JP (1986)
- Kawasaki, JP (1986 - 1988)
- Tokyo, JP (1989 - 2018)
Company Filing History:
16 out of 90,809 
2 out of 410 
2 out of 2 
Years Active: 1986-2018
Title: Toshifumi Nakajima: Innovator in Motor Technology
Introduction
Toshifumi Nakajima is a noted inventor based in Tokyo, Japan. With an impressive portfolio of 20 patents, he has significantly contributed to advancements in motor technology. His innovative designs have helped improve the performance and efficiency of various types of motors.
Latest Patents
Among Nakajima's latest patents are two notable inventions related to motor rotor support systems. The first patent focuses on a motor rotor support and method for manufacturing the same. The invention aims to provide a motor rotor support that is suitable for axial gap motors. This design utilizes a laminated configuration made from single materials, either hot-worked or cold-worked, predominantly composed of 18Mn-18Cr nonmagnetic steel.
The second patent, titled "Nonmagnetic High Strength Steel Motor Rotor Support and Method for Manufacturing Same," also seeks to enhance axial gap motors. This motor rotor support is made from nonmagnetic steel, featuring a relative permeability of less than 1.005, with a 0.2% yield strength at room temperature of 550 MPa or more. Such materials ensure the support's durability and efficiency in demanding applications.
Career Highlights
Throughout his career, Toshifumi Nakajima has worked with several renowned companies, including Canon Inc. and The Japan Steel Works, Ltd. His experiences in these organizations have played a vital role in shaping his expertise in motor technology and innovation.
Collaborations
Nakajima has collaborated with talented individuals in the field, including coworkers Takayuki Imai and Toshio Ochiai. These collaborations have been instrumental in refining his inventions and expanding the potential applications of his patented technologies.
Conclusion
Toshifumi Nakajima stands out as a prominent figure in the realm of motor technology. His contributions through innovative patents reflect a commitment to excellence and a focus on enhancing performance and efficiency in motors. As technology continues to evolve, Nakajima’s work will undoubtedly inspire future innovations in the industry.