Akita, Japan

Osamu Tanaka

This inventor holds 3 USPTO granted patents. Top assignee: Dowa Electronics Materials Co., Ltd.. Active years: 2024-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Tanaka. Retrieved from https://idiyas.com/inventor/osamu-tanaka-s3d68x4v

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 = 2.3

ph-index = 1


Company Filing History:


Years Active: 2024-2025

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3 patents (USPTO):Explore Patents

Title: Osamu Tanaka: Innovator in Semiconductor Technology

Introduction

Osamu Tanaka is a prominent inventor based in Akita, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on improving the properties of semiconductor optical devices and light-emitting elements.

Latest Patents

Tanaka's latest patents include a method for producing a semiconductor optical device. This method enhances the optical properties of devices that contain semiconductor layers with elements such as Indium (In), Arsenic (As), and Antimony (Sb). The process involves several steps, including forming an etching stop layer on an InAs growth substrate and bonding the semiconductor laminate to a support substrate.

Another notable patent is related to a light-emitting element that features an undoped or n-type doped InAs layer, an active layer with InAsSb layers, and a p-type doped InAs layer. This invention also includes an AlInAs electron blocking layer, which plays a crucial role in the device's functionality.

Career Highlights

Osamu Tanaka is currently employed at Dowa Electronics Materials Co., Ltd. His work at this company has allowed him to focus on innovative solutions in semiconductor materials and devices. His contributions have been instrumental in advancing the technology used in various electronic applications.

Collaborations

Tanaka has collaborated with notable colleagues in his field, including Yoshitaka Kadowaki and Shogo Sakuraba. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Osamu Tanaka's work in semiconductor technology exemplifies the spirit of innovation. His patents reflect a commitment to enhancing the performance of electronic devices, making significant strides in the industry. His contributions will undoubtedly continue to influence the future of semiconductor 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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