Yokosuka, Japan

Toshiharu Yagi

This inventor holds 3 USPTO granted patents. Top assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba. Active years: 1988-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Yagi. Retrieved from https://idiyas.com/inventor/toshiharu-yagi-m034ku7a

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1988-2001

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3 patents (USPTO):Explore Patents

Title: The Innovations of Toshiharu Yagi

Introduction

Toshiharu Yagi is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of lighting technology, particularly through his innovative designs of fluorescent lamp units. With a total of 3 patents to his name, Yagi's work has had a lasting impact on the industry.

Latest Patents

Yagi's latest patents include a circular fluorescent lamp unit and a lighting apparatus. The circular fluorescent lamp unit features a circular glass bulb with an outer diameter ranging from 285 to 310 mm. It also includes a tube outer diameter set between 15 to 18 mm, with a fluorescent substance applied to its inner surface. The unit is sealed with a discharge medium that consists of a rare gas and mercury. Additionally, a pair of electrode means is fitted at both ends of the bulb, allowing for discharge when powered by a high-frequency lamp power of not less than 10 kHz, typically set between 20 to 40 W.

Career Highlights

Throughout his career, Toshiharu Yagi has worked with prominent companies such as Toshiba Lighting & Technology Corporation and Kabushiki Kaisha Toshiba. His experience in these organizations has contributed to his expertise in lighting technology and innovation.

Collaborations

Yagi has collaborated with several talented individuals in his field, including Yuichi Sakakibara and Akinori Yasuhara. These collaborations have likely enriched his work and led to further advancements in lighting technology.

Conclusion

Toshiharu Yagi's contributions to the field of lighting through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to shape the future of lighting technology.

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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