Location History:
- Tamamura, JP (2000)
- Isesaki, JP (1994 - 2002)
Company Filing History:
Years Active: 1994-2002
Title: The Innovations of Koichi Nakajima
Introduction
Koichi Nakajima is a notable inventor based in Isesaki, Japan. He has made significant contributions to the field of motor technology, holding a total of four patents. His work focuses on creating compact and efficient solutions for small motors, showcasing his innovative spirit and technical expertise.
Latest Patents
One of Nakajima's latest patents is the Compact Vibration Motor. This compact motor is designed to be reflow-soldered, addressing the issue of thermal demagnetization of magnets through a simple structure. The motor features magnets housed in a casing, with a portion of the surface to which the magnet is attached separated by an acrylic adhesive sheet and heat-resistant resin from metal components, such as brackets and shafts. The shaft is made of stainless steel, which has low heat conductivity, or an additional cover is utilized to ensure it can withstand reflow-soldering.
Another significant patent is the Brush Apparatus of Small Motor and Method for Manufacturing the Same. This invention includes a brush assembly for small motors where the brushes remain in contact with the commutator without separation. The brushes are arranged to maintain uniform angles during the assembly process. The pair of brushes includes bases connected through a lead frame and are embedded in a support by molding, ensuring that the angles formed during contact with the commutator remain consistent.
Career Highlights
Koichi Nakajima is currently employed at Tokyo Parts Industrial Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of small motors, making them more efficient and reliable.
Collaborations
Throughout his career, Nakajima has collaborated with talented individuals such as Tadao Yamaguchi and Toru Arai. These collaborations have contributed to the successful development of his patented technologies.
Conclusion
Koichi Nakajima's contributions to motor technology through his innovative patents highlight his expertise and dedication to advancing engineering solutions. His work continues to influence the industry and inspire future innovations.