This inventor holds 23 USPTO granted patents and 1 published patent application, primarily in Power Conversion Devices. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Electric Corporation, Mitsubishi Denki Kabushiki. Active years: 1997-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Himeji, JP (1997)
- Tokyo, JP (1998 - 2015)
- Chiyoda-ku, JP (2017 - 2019)
Company Filing History:
15 out of 21,351 
7 out of 16,602 
1 out of 26 
Years Active: 1997-2019
Areas of Expertise:
Title: **Naohisa Uehara: Pioneering Innovations in Power Conversion**
Introduction
Naohisa Uehara, a distinguished inventor based in Tokyo, Japan, has made significant contributions to the field of electrical engineering. With an impressive portfolio of 23 patents, Uehara specializes in developing devices that enhance power conversion, ensuring greater efficiency and reliability.
Latest Patents
Uehara's latest innovations include a **power conversion device** that detects power shortages and automatically switches to an alternative power supply capable of maintaining a stable energy output. This device utilizes a transformer designed with three or more magnetically coupled windings to optimize power management. Additionally, he has developed an **electric power conversion device** that manipulates voltage using the charge and discharge mechanisms of a DC capacitor. This device features a reactor linked to a rectification circuit and employs high-frequency PWM control to facilitate both high-power-factor input AC current and effective voltage control for the DC capacitor.
Career Highlights
Throughout his career, Naohisa Uehara has gained valuable experience working with prestigious companies, including Mitsubishi Denki and Mitsubishi Electric Corporation. His time at these institutions has not only contributed to his development as an inventor but has also allowed him to refine his expertise in power conversion technologies.
Collaborations
Uehara has collaborated with several esteemed professionals in the field, including Ryota Kondo and Takaaki Takahara. These partnerships have further enriched his innovative pursuits and have facilitated the exchange of ideas, ultimately leading to groundbreaking advancements in electrical engineering.
Conclusion
Naohisa Uehara's remarkable work in power conversion technology demonstrates his commitment to innovation and excellence. With 23 patents to his name, he continues to shape the future of electrical devices, ensuring safer and more efficient energy solutions for various applications. His contributions reflect a profound understanding of engineering principles and a dedication to improving the ways we harness and manage electrical power.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile