This inventor holds 2 USPTO granted patents. Top assignees: Nagano Nidec Corporation, Shinano Tokki Corporation. Active years: 1989-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1989-1996
Title: The Innovations of Satoshi Nakajima
Introduction
Satoshi Nakajima is a notable inventor hailing from Iida, Japan. He has made significant contributions to the field of motor technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of spindle motors and sealing structures in motors.
Latest Patents
One of Nakajima's latest patents is for a spindle motor. This innovative design includes a bracket, a shaft member, and a rotor that is rotatably mounted to the shaft member through a pair of bearings. The rotor features a magnet, while a stator is positioned opposite the rotor magnet. The design also incorporates magnetic fluid sealing means to enhance performance. Additionally, the shaft member is equipped with an air passage that extends in the axial direction, along with a communication passage that connects the air passage to the space between the bearings. A cap member with an improved structure is placed outwardly of one of the bearings, and an annular projection is provided for positioning the rotor magnet concentrically.
Another significant patent by Nakajima is a sealing structure designed to prevent the egress of grease aerosol particles from a motor. This innovative seal creates a high-speed airflow at the outer end of the bearing assembly, effectively blocking aerosol particles from escaping outside the assembly.
Career Highlights
Throughout his career, Satoshi Nakajima has worked with prominent companies in the industry, including Shinano Tokki Corporation and Nagano Nidec Corporation. His experience in these organizations has contributed to his expertise in motor technology and innovation.
Collaborations
Nakajima has collaborated with notable coworkers such as Koji Fukuyama and Kazuyoshi Horikoshi. Their combined efforts have likely led to advancements in their respective fields.
Conclusion
Satoshi Nakajima's contributions to motor technology through his patents and collaborations highlight his innovative spirit and dedication to improving engineering solutions. His work continues to influence the industry and inspire future inventors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile