This inventor holds 9 USPTO granted patents and 1 EPO patent. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Electric Corporation. Active years: 1995-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Amagasaki, JP (1995)
- Tokyo, JP (2001 - 2011)
Company Filing History:
8 out of 21,351 
1 out of 16,618 
Years Active: 1995-2011
Title: Nobuya Nakajima: Innovator in Gas-Insulated Switchgear Technology
Introduction
Nobuya Nakajima is a prominent inventor based in Tokyo, Japan. He holds a total of 9 patents that showcase his contributions to the field of electrical engineering, particularly in gas-insulated switchgear technology. His innovative designs have significantly impacted the efficiency and reliability of electrical systems.
Latest Patents
One of Nakajima's latest patents is for a gas-insulated switchgear. This invention features three-phase main bus bars made up of single-phase bus bars arranged in parallel. It also includes three-phase circuit breakers that are positioned perpendicularly to the main bus bars, each equipped with two connecting terminals spaced a predetermined distance apart. This arrangement enhances the overall functionality and safety of the switchgear.
Another notable patent is for a compact, lightweight, and low-cost operating apparatus for switchgear. This device utilizes a second cam that is turned counterclockwise by an electric motor. It maintains contact with a closing lever at a specific angular position, energizing a circuit-making coil spring and locking the closing lever with a closing latch. The design ensures reliable operation while minimizing complexity.
Career Highlights
Nobuya Nakajima has worked with several esteemed companies throughout his career, including Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in electrical engineering.
Collaborations
Throughout his career, Nakajima has collaborated with notable coworkers, including Kyouichi Ohtsuka and Kyoichi Ohtsuka. These partnerships have fostered innovation and the development of cutting-edge technologies in their field.
Conclusion
Nobuya Nakajima's contributions to gas-insulated switchgear technology and his innovative patents reflect his expertise and dedication to advancing electrical engineering. His work continues to influence the industry and inspire future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile