Location History:
- Nagaoka, JP (2003)
- Shinagawa-ku, JP (2009)
- Tokyo, JP (2000 - 2021)
Company Filing History:
11 out of 7,952 
3 out of 10 
3 out of 31 Years Active: 2000-2025
Title: Eiji Takegami: Innovator in Power Supply Technologies
Introduction
Eiji Takegami, based in Tokyo, Japan, is a prolific inventor known for his contributions in the field of power supply and medical systems. With a remarkable portfolio of 18 patents, he has significantly advanced the efficiency and functionality of electrical systems.
Latest Patents
Among Takegami's latest innovations is a sophisticated power supply designed to incorporate a synchronous rectification-type rectifying/smoothing circuit. This technology aims to enhance the conversion efficiency of output voltage while avoiding unnecessary cost increases. The power supply features synchronous rectifiers connected to the secondary windings of a transformer, along with smoothing circuits that refine the output voltage. The system also integrates switch drivers that operate both the output voltage and a generated AC voltage to optimally drive the synchronous rectification switches.
Another notable patent revolves around a power factor correction circuit that improves DC voltage output from an AC input voltage. The design includes critical components such as a current detector, output voltage detector, and a voltage difference detector, which work in tandem to ensure the longevity of the capacitor by notifying when it reaches its end of life. This innovation contributes to more reliable power supply systems in various applications.
Career Highlights
Eiji Takegami has made significant strides in his professional career by working with renowned organizations. Notably, he has been associated with TDK Corporation and Densei-Lambda Kabushiki Kaisha, where he has applied his skills to develop cutting-edge technologies in electrical engineering.
Collaborations
Throughout his career, Takegami has collaborated with esteemed colleagues, including Kazushi Watanabe and Satoshi Tomioka. Their teamwork has fostered an environment of innovation, resulting in the successful development of advanced electrical solutions.
Conclusion
Eiji Takegami's dedication to innovation in power supply systems has not only augmented his reputation as a leading inventor but has also made a significant impact on the industry. With multiple patents to his name, he continues to influence the future of electrical engineering, paving the way for more efficient and effective power supply solutions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.