Kanagawa, Japan

Toshio Nagashima

This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignees: Kokusai Electric Co., Ltd., Showa Denko Kabushiki Kaisha, Matsushita Electric Industrial Co., Ltd.. Active years: 1976-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Nagashima. Retrieved from https://idiyas.com/inventor/toshio-nagashima-4uwe2wuy

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


% Patents Active = 50.0


Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 27(Granted Patents)


Location History:

  • Tokyo, JA (1976)
  • Hamura, JA (1976)
  • Kanagawa, JP (2003 - 2008)
  • Tokyo, JP (2014)

Company Filing History:


Years Active: 1976-2014

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6 patents (USPTO):Explore Patents

Title: Innovator Toshio Nagashima: Pioneering Electronic Components and Monitor Cameras

Introduction: Toshio Nagashima, a notable inventor based in Kanagawa, Japan, has made significant contributions to the fields of electronic components and monitoring technology. With four patents to his name, he has displayed a remarkable ability to develop innovative solutions that enhance functionality and performance.

Latest Patents: Nagashima's latest patents reflect his focus on improving electronic components and monitoring systems. One of his recent inventions is an element for electronic components, which features a sophisticated design utilizing a metal material with valve action. This invention comprises an oxidized dielectric layer, a conductive polymer precursor solution, and a semiconductor layer with unique projections. This innovative design optimizes the performance of electronic components by enhancing their efficiency and reliability.

Additionally, Nagashima has developed a monitor camera that features a glass hold-down plate designed to prevent the obstruction of the field of vision. This plate ensures that natural elements, such as snow, do not interfere with camera functionality, thereby improving its waterproof properties. These advancements highlight Nagashima’s commitment to creating practical and efficient technologies.

Career Highlights: Throughout his career, Toshio Nagashima has worked with prominent companies including Showa Denko and Matsushita Electric Industrial Co., Ltd. These experiences have contributed to his extensive knowledge and expertise in patent development and innovation.

Collaborations: Nagashima has collaborated with talented individuals in the industry, including Kiyomitsu Kanno and Galina I Kaourova. These partnerships demonstrate his ability to work effectively within teams and leverage collective expertise to drive innovation.

Conclusion: Toshio Nagashima's inventive spirit and commitment to advancement in technology have resulted in valuable patents that enhance electronic and monitoring systems. His work continues to inspire innovation, positioning him as a notable figure in the realm of modern inventions. As he continues to explore new ideas and solutions, the impact of his contributions will likely be felt for years to come.

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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