This inventor holds 22 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in Electric Motor Technology. Top assignees: Hitachi, Ltd., Hitachi Astemo Ltd., Renesas Electronics Corporation. Active years: 2003-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hitachi, JP (2003 - 2016)
- Tokyo, JP (2016 - 2024)
Company Filing History:
16 out of 42,731 
2 out of 1,495 
2 out of 7,654 
Years Active: 2003-2025
Areas of Expertise:
Title: The Innovations of Junnosuke Nakatsugawa
Introduction
Junnosuke Nakatsugawa, an accomplished inventor based in Hitachi, Japan, has made significant contributions to the field of linear motion technology. With a remarkable portfolio of 20 patents, he is recognized for his innovative approach to designing efficient linear motors that enhance propulsion and minimize pulsation.
Latest Patents
Among his latest innovations, Nakatsugawa has developed a linear motion motor featuring a unique 6n teeth structure. This design includes a first mover that holds permanent magnets arranged longitudinally, a first stator with 6n teeth and windings, a second mover holding permanent magnets, and a second stator with a similar configuration. The permanent magnets are arranged with a phase difference of π/2, and specific electrical currents are supplied to maximize efficiency. Additionally, he has created a linear motor aimed at suppressing contact of movable elements with the core. This linear motor boasts an armature with magnetic pole teeth and a protective member that enhances its functionality.
Career Highlights
Throughout his career, Nakatsugawa has worked with prestigious companies, including Hitachi, Ltd. and Renesas Electronics Corporation. His work at these renowned institutions has allowed him to implement cutting-edge technologies in the linear motion sector, further establishing his reputation as an inventor.
Collaborations
Collaboration has also played a key role in Nakatsugawa's success. He has worked alongside talented colleagues, such as Yoshitaka Iwaji and Norihisa Iwasaki. Their joint efforts in research and development have contributed to advancements in linear motor technology and innovations in related fields.
Conclusion
Junnosuke Nakatsugawa stands as a pioneer in the realm of linear motion innovations. His extensive patent portfolio and collaborations with esteemed companies and colleagues highlight his dedication to advancing technology. As he continues to develop new inventions, his contributions will undoubtedly shape the future of the linear motion industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile