Tokyo, Japan

Akio Koizumi

This inventor holds 9 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1978-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Koizumi. Retrieved from https://idiyas.com/inventor/akio-koizumi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 7

Forward Citations = 158(Granted Patents)


Location History:

  • Tokyo, JA (1978)
  • Tokyo, JP (1979 - 1982)
  • Funabashi, JP (1984)

Company Filing History:


Years Active: 1978-1984

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9 patents (USPTO):Explore Patents

Title: The Innovative Mind of Akio Koizumi

Introduction

Akio Koizumi, an esteemed inventor based in Tokyo, Japan, has made significant contributions to the field of electrical engineering. With a total of nine patents to his name, Koizumi is recognized for his inventive prowess and dedication to advancing technology.

Latest Patents

His latest invention is a sophisticated power amplifier that features a unique transformer design. The transformer includes a magnetic core, an input or primary winding structure with first and second primary winding portions, an output or secondary winding structure with first and second secondary winding portions, and a control or tertiary winding structure. This configuration provides a high degree of magnetic coupling and noise suppression, showcasing Koizumi's innovative approach to improving electrical components.

Career Highlights

Koizumi's career is primarily associated with Sony Corporation, where he has played a crucial role in developing cutting-edge technologies. His commitment to innovation is reflected in his multiple patents, which highlight his ability to create solutions that address the evolving needs of the electronics industry.

Collaborations

Throughout his career, Koizumi has collaborated with notable colleagues like Hiroshi Nakazawa and Mitsuo Ohsawa. These partnerships have been instrumental in fostering an environment of creativity and technological advancement, allowing for the successful realization of new inventions.

Conclusion

Akio Koizumi's contributions to electrical engineering through his inventions and patents illustrate his commitment to innovation. His work at Sony Corporation continues to shape the industry, making him a prominent figure among inventors in Japan and beyond. The impact of his latest patents reinforces the importance of research and development in creating efficient technological solutions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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