Annaka, Japan

Yu K Tamura

This inventor holds 1 USPTO granted patent. Top assignee: Shin-Etsu Handotai Co., Ltd.. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yu K Tamura. Retrieved from https://idiyas.com/inventor/yu-k-tamura

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 = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: The Innovations of Yu K Tamura

Introduction

Yu K Tamura is a notable inventor based in Annaka, Japan. He has made significant contributions to the field of semiconductor technology, particularly in light-emitting devices. His work has led to advancements that are crucial for various applications in electronics and lighting.

Latest Patents

Yu K Tamura holds a patent for a "Gap light emitting device having a low carbon content in the substrate." This invention involves a semiconductor substrate for GaP type light-emitting devices, which includes an n-type single crystal substrate, an n-type GaP layer, and a p-type GaP layer formed on the n-type GaP single crystal substrate. The carbon concentration in the n-type GaP single crystal substrate is more than 1.0×10^16 atoms/cc, but less than 1.0×10^17 atoms/cc. The substrate is obtained from an n-type GaP single crystal grown by the Liquid Encapsulation Czochralski method, utilizing B2O3 containing water corresponding to 200 ppm or more as an encapsulation liquid.

Career Highlights

Yu K Tamura is associated with Shin-Etsu Handotai Co., Ltd., a leading company in the semiconductor industry. His work at the company has been instrumental in developing innovative technologies that enhance the performance of light-emitting devices.

Collaborations

Throughout his career, Yu K Tamura has collaborated with esteemed colleagues such as Munehisa Yanagisawa and Toshio Otaki. These collaborations have fostered a productive environment for innovation and technological advancement.

Conclusion

Yu K Tamura's contributions to semiconductor technology and his innovative patent demonstrate his commitment to advancing the field. His work continues to influence the development of efficient light-emitting devices, showcasing the importance of innovation in 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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