Akita, Japan

Jumpei Yamamoto

This inventor holds 6 USPTO granted patents. Top assignee: Dowa Electronics Materials Co., Ltd.. Active years: 2021-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jumpei Yamamoto. Retrieved from https://idiyas.com/inventor/jumpei-yamamoto

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 = 2.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2021-2024

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6 patents (USPTO):Explore Patents

Title: Jumpei Yamamoto: Innovator in Semiconductor Technology

Introduction

Jumpei Yamamoto is a prominent inventor based in Akita, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 6 patents. His work focuses on developing advanced light-emitting devices that have applications in various industries.

Latest Patents

Yamamoto's latest patents include a semiconductor light-emitting device and a semiconductor light-emitting element. The semiconductor light-emitting device features a conductive support substrate, a reflective metal layer, and a semiconductor laminate composed of InGaAsP-based III-V group compound semiconductor layers. This device is designed to emit light with a center wavelength ranging from 1000 to 2200 nm. The semiconductor light-emitting element consists of a substrate, a reflective layer, and a cladding layer made of InGaAsP. It also has a light-emitting layer with an emission central wavelength of 1000 nm to 2200 nm, designed for optimal light extraction.

Career Highlights

Yamamoto is currently employed at Dowa Electronics Materials Co., Ltd., where he continues to innovate in the semiconductor field. His work has been instrumental in advancing the technology used in light-emitting devices, contributing to the efficiency and effectiveness of these products.

Collaborations

Yamamoto collaborates with Tetsuya Ikuta, a fellow innovator in the field. Their partnership has led to the development of cutting-edge technologies that enhance the performance of semiconductor devices.

Conclusion

Jumpei Yamamoto's contributions to semiconductor technology are noteworthy, with a focus on light-emitting devices that push the boundaries of innovation. His work at Dowa Electronics Materials Co., Ltd. and collaborations with other professionals highlight his commitment to advancing this critical field.

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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