This inventor holds 11 USPTO granted patents and 4 published patent applications and 7 EPO patents. Top assignees: Hitachi, Ltd., Hitachi Automotive Systems, Ltd.. Active years: 2009-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hitachi, JP (2009 - 2014)
- Tokyo, JP (2018 - 2020)
Company Filing History:
Years Active: 2009-2020
Title: Akihito Nakahara: Innovator in Rotary Electric Machines
Introduction
Akihito Nakahara is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of rotary electric machines, holding a total of 11 patents. His innovative designs focus on enhancing the performance and efficiency of electric machines.
Latest Patents
Nakahara's latest patents include a rotor of a rotary electric machine and a rotary electric machine utilizing the same. The objective of this invention is to provide a rotary electric machine that can suppress degradation of strength during high-speed rotation while reducing torque ripple. The rotor features a core with a magnet insertion hole designed to accommodate a permanent magnet, along with a non-magnetic portion that is asymmetrically positioned with respect to a d-axis. Another notable patent involves stator coils that consist of multiple rectangular conductor coil pieces. These coil pieces are connected at their ends on the outer diameter side of the stator and include a folded portion on the inner diameter side, along with open leg portions and linear portions that facilitate the flow of electricity through the stator.
Career Highlights
Throughout his career, Nakahara has worked with esteemed companies such as Hitachi, Ltd. and Hitachi Automotive Systems, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in electric machine technology.
Collaborations
Nakahara has collaborated with notable colleagues, including Kazuhiko Takahashi and Kazumasa Ide. Their combined expertise has contributed to the advancement of technology in their field.
Conclusion
Akihito Nakahara's work in rotary electric machines exemplifies the spirit of innovation. His patents reflect a commitment to improving the efficiency and performance of electric machines, making a lasting impact in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile