Inventors with similar research interests:
Location History:
- Yokoyama, JP (1994)
- Kanagawa, JP (1988 - 1998)
- Yokohama, JP (1990 - 1998)
- Osaka, JP (2013 - 2020)
Company Filing History:
61 out of 10,239 
9 out of 73 
1 out of 1 Years Active: 1988-2020
Areas of Expertise:
Title: Nobuo Shiga: Pioneering Innovations in Transformer Technology
Introduction
Nobuo Shiga, a prominent inventor based in Yokohama, Japan, has made remarkable contributions to the field of electrical engineering, with a total of 61 patents to his name. His work is particularly focused on innovative transformer technology, which plays a crucial role in power distribution and management.
Latest Patents
Among his latest patents, Shiga has developed two significant transformer technologies. The first patent describes a transformer designed to connect a power supply and a load, featuring both front and rear stage circuits that perform switching to invert output polarity. This transformer includes a series unit composed of reactance elements connected in series, alongside a switch device that alternates parts of the series unit to facilitate power transmission.
The second patent introduces a novel approach to transformer design, featuring a two-terminal pair circuit made up of multiple reactance elements. This innovative transformer, designed for various load resistance values, offers a compact and lightweight alternative that eliminates the need for traditional coils and iron cores, showcasing Shiga's forward-thinking approach to transformer development.
Career Highlights
Throughout his career, Nobuo Shiga has been affiliated with prestigious organizations, including Sumitomo Electric Industries, Limited and the National University Corporation Toyohashi University of Technology. His professional journey has been characterized by a commitment to advancing electrical engineering and promoting innovative technologies that enhance efficiency in power systems.
Collaborations
Shiga has collaborated with notable colleagues such as Takashi Ohira and Takeshi Sekiguchi. These partnerships have fostered a productive environment for innovation, allowing them to work collectively on groundbreaking projects that push the boundaries of traditional transformer design.
Conclusion
Nobuo Shiga's extensive patent portfolio and innovative work on transformers exemplify his dedication to advancing technology in electrical engineering. His contributions not only reflect his individual talent as an inventor but also highlight the importance of collaboration in achieving significant advancements in the field. As technology continues to evolve, Shiga's innovations will undoubtedly play a pivotal role in shaping the future of power systems.
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