Tokyo, Japan

Yuji Furushima

This inventor holds 7 USPTO granted patents. Top assignee: Nec Corporation. Active years: 1998-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Furushima. Retrieved from https://idiyas.com/inventor/yuji-furushima

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


% Patents Active = 57.1

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 125(Granted Patents)


Company Filing History:


Years Active: 1998-2003

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7 patents (USPTO):Explore Patents

Title: Yuji Furushima: Innovator in Semiconductor Technology

Introduction

Yuji Furushima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His work focuses on enhancing the performance and manufacturing processes of optical semiconductor devices.

Latest Patents

Furushima's latest patents include a method for manufacturing semiconductor lasers that feature recombination layer stripes in a current blocking structure. This innovative approach involves using a selective growth mask to create open stripes for growing recombination layers alongside the active layer. This method allows for precise control over the position and band gap of the recombination layers, enabling the fabrication of semiconductor laser elements with excellent high-temperature and high-output characteristics. Another notable patent is for an optical semiconductor device and its manufacturing method, which utilizes a buried hetero structure type. This device comprises a semi-insulating semiconductor block layer, a carrier trap layer, and both clad and contact layers formed through selective growth.

Career Highlights

Yuji Furushima is currently employed at NEC Corporation, where he continues to push the boundaries of semiconductor technology. His work has been instrumental in developing devices that meet the demands of modern optical applications.

Collaborations

Furushima collaborates with Junichi Shimizu, contributing to advancements in their field through shared expertise and innovative ideas.

Conclusion

Yuji Furushima's contributions to semiconductor technology are noteworthy, and his patents reflect his commitment to innovation. His work continues to influence the industry, paving the way for future advancements in optical devices.

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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