This inventor holds 5 USPTO granted patents. Top assignees: Jidosha Denki Kogyo Kabushiki Kaisha, Jidosa Denki Kogyo K.k., Kabushiki Kaisha Toshiba. Active years: 1986-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 86 
1 out of 1 
1 out of 53,286 
Years Active: 1986-2006
Title: Fumio Nakajima: Innovator in Motor and Fluid Pressure Technologies
Introduction
Fumio Nakajima is a notable inventor based in Yokohama, Japan, recognized for his contributions to motor and fluid pressure technologies. With a total of five patents to his name, Nakajima has made significant advancements in the field of engineering.
Latest Patents
One of his latest patents is a motor and brush device that allows for easy assembly of brush holders. This innovative design features brush holders with fixing portions and brush accommodating portions that are integrally formed. The fixing portions are secured to the gear case, while the brush accommodating portions hold brushes in a slidable manner. Additionally, the motor includes a gear case that is integrally formed with a reduction mechanism accommodating portion and a brush holder mounting portion, facilitating the installation of brush holders along the axis of the output shaft. Another significant patent is the combined type fluid pressure driving apparatus, which provides a switchgear that achieves miniaturization and simplification while ensuring high operational reliability. This invention features a fluid pressure operating section housed in a mechanical box at the lower end of a support porcelain tube, with insulated operating rods and connecting mechanisms that enhance assembly, operability, and inspection.
Career Highlights
Throughout his career, Fumio Nakajima has worked with prominent companies such as Jidosha Denki Kogyo Kabushiki Kaisha and Nissan Motor Company Limited. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Nakajima has collaborated with notable coworkers, including Toshihiro Negishi and Kyoji Kobayashi. Their collective efforts have further advanced the projects they have worked on together.
Conclusion
Fumio Nakajima's contributions to motor and fluid pressure technologies highlight his innovative spirit and dedication to engineering. His patents reflect a commitment to improving functionality and reliability in mechanical systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile